1 2009-04-09 Joseph Myers <joseph@codesourcery.com>
4 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5 it and pedwarn if this results in an INTEGER_CST.
7 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9 * doc/install.texi: Update minimum GMP version. Remove obsolete
12 2009-04-08 Jakub Jelinek <jakub@redhat.com>
14 * dwarf2out.c (class_scope_p): New static inline.
15 (class_or_namespace_scope_p): Use it.
16 (gen_variable_die): Use DW_TAG_member tag for static data member
17 declarations instead of DW_TAG_variable.
20 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
23 2009-04-08 Richard Guenther <rguenther@suse.de>
25 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
28 2009-04-08 David Edelsohn <edelsohn@gnu.org>
30 * config.gcc (aix tm_file): Add aix-stdint.h.
31 (aix tm clause use_gcc_stdint): Set to wrap.
32 * config/rs6000/aix-stdint.h: New file.
34 2009-04-08 Richard Guenther <rguenther@suse.de>
37 * tree-dfa.c (add_referenced_var): Do not recurse into
39 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
41 (fold_const_aggregate_ref): Likewise.
43 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
45 * recog.c (ordered_comparison_operator): New.
46 * gensupport.c (std_preds): Add it.
47 * doc/md.texi (Machine-Independent Predicates): Document it.
49 2009-04-08 Jan Hubicka <jh@suse.cz>
51 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
52 * function.h (rtl_eh): Remove exception_handler_label_map.
53 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
54 remove_exception_handler_label, for_each_eh_label_1): Remove.
55 (rtl_remove_unreachable_regions): Remove.
56 (convert_from_eh_region_ranges): Do not remove unreachable regions.
57 (find_exception_handler_labels): Don't build the hashtable.
58 (maybe_remove_eh_handler): Remove.
59 (for_each_eh_label): Rewrite to walk the tree.
60 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
61 * except.h (maybe_remove_eh_handler): Remove.
62 * passes.c (init_optimization_passes): Schedule second EH cleanup
64 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
65 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
67 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
69 * genoutput.c (validate_optab_operands): New.
70 (gen_insn, gen_expand): Call it.
72 * genflags.c (gen_insn): Detect misused iterators.
73 (main): Pass line_no to gen_insn, exit with status 1 on error.
75 * genextract.c (line_no): Make global.
76 (VEC_safe_set_locstr): Change assertion to error message.
77 (main): Exit with status 1 on error.
79 2009-04-08 Joseph Myers <joseph@codesourcery.com>
83 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
84 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
85 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
86 * c-convert.c (convert): Do not call fold on results of conversion
87 functions when the result is a C_MAYBE_CONST_EXPR.
88 * c-parser.c (c_parser_postfix_expression): Do not fold condition
89 of __builtin_choose_expr.
90 * c-typeck.c (remove_c_maybe_const_expr): New.
91 (build_unary_op, build_conditional_expr, build_compound_expr,
92 build_binary_op, c_objc_common_truthvalue_conversion): Call
93 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
96 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
98 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
99 CODE to produce a new one. Add a prototype to use fold_convert_const
101 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
104 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
105 mix declarations and code.
107 2009-04-08 Ben Elliston <bje@au.ibm.com>
109 * gcc.c: Replace `CC' with `GCC' throughout.
111 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
113 * doc/invoke.texi: Document Atom support.
115 2009-04-07 Jason Merrill <jason@redhat.com>
118 * c-common.h, c-common.c: Add flag_pretty_templates.
119 * c-opts.c (c_common_handle_option): Set it.
120 * c.opt: Add -fno-pretty-templates.
121 * doc/invoke.texi (C++ Dialect Options): Likewise.
123 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
125 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
126 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
127 (ia64_expand_builtin): Likewise.
129 2009-04-07 Martin Jambor <mjambor@suse.cz>
131 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
132 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
133 ADDR_EXPRS are include too.
135 2009-04-07 Richard Guenther <rguenther@suse.de>
137 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
138 decls are only used if passes as parameters or if they are
139 local statics and the call is not to a builtin.
140 (call_may_clobber_ref_p_1): Likewise.
142 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
144 * expr.c (do_store_flag): Remove last argument. Simplify code
145 to avoid duplication of tests already done by can_compare_p.
146 (expand_expr_real_1): Adjust caller.
148 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
150 * optabs.c (can_compare_p): Test the predicate of a
151 cbranch and cstore pattern.
153 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
155 * expr.c (convert_move): Use emit_store_flag instead of
158 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
160 * config/i386/i386.c (ix86_compare_emitted): Remove.
161 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
162 ix86_compare_op0 like ix86_compare_emitted used to be handled.
163 * config/i386/i386.h (ix86_compare_emitted): Remove.
164 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
165 instead of ix86_compare_emitted.
166 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
168 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
170 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
171 Add t-sysroot-suffix to tmake_file.
172 * config/print-sysroot-suffix.sh: New file.
173 * config/t-sysroot-suffix: New file.
175 2009-04-07 Ben Elliston <bje@au.ibm.com>
177 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
178 as the latter produces a warning when the target does not support
181 2009-04-07 Ben Elliston <bje@au.ibm.com>
183 * dfp.c: Replace type punning assignments with memcpy throughout.
184 * Makefile.in (dfp.o-warn): Remove.
186 2009-04-07 Alan Modra <amodra@bigpond.net.au>
189 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
190 Include soft-fp/t-softfp after rs6000/t-linux64.
192 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
194 * stor-layout.c (set_sizetype): Use the full precision of their
195 machine mode for bitsize types.
197 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
199 * config/i386/i386.md: Revert 2 accidental checkins.
201 2009-04-06 Joey Ye <joey.ye@intel.com>
202 Xuepeng Guo <xuepeng.guo@intel.com>
203 H.J. Lu <hongjiu.lu@intel.com>
205 Atom pipeline model, tuning and insn selection.
206 * config.gcc (atom): Add atom config options and target.
208 * config/i386/atom.md: New.
210 * config/i386/i386.c (atom_cost): New cost.
211 (m_ATOM): New macro flag.
212 (initial_ix86_tune_features): Set m_ATOM.
213 (x86_accumulate_outgoing_args): Likewise.
214 (x86_arch_always_fancy_math_387): Likewise.
215 (processor_target): Add Atom cost.
216 (cpu_names): Add Atom cpu name.
217 (override_options): Set Atom ISA.
218 (ix86_issue_rate): New case PROCESSOR_ATOM.
219 (ix86_adjust_cost): Likewise.
221 * config/i386/i386.h (TARGET_ATOM): New target macro.
222 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
223 (TARGET_OPT_AGU): New target option.
224 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
225 (processor_type): Add PROCESSOR_ATOM.
227 * config/i386/i386.md (cpu): Add new value "atom".
228 (use_carry, movu): New attr.
229 (atom.md): Include atom.md.
230 (adddi3_carry_rex64): Set attr "use_carry".
231 (addqi3_carry): Likewise.
232 (addhi3_carry): Likewise.
233 (addsi3_carry): Likewise.
234 (*addsi3_carry_zext): Likewise.
235 (subdi3_carry_rex64): Likewise.
236 (subqi3_carry): Likewise.
237 (subhi3_carry): Likewise.
238 (subsi3_carry): Likewise.
239 (x86_movdicc_0_m1_rex64): Likewise.
240 (*x86_movdicc_0_m1_se): Likewise.
241 (x86_movsicc_0_m1): Likewise.
242 (*x86_movsicc_0_m1_se): Likewise.
243 (*adddi_1_rex64): Emit add insn as much as possible.
244 (*addsi_1): Likewise.
245 (return_internal): Set atom_unit.
246 (return_internal_long): Likewise.
247 (return_pop_internal): Likewise.
248 (*rcpsf2_sse): Set atom_sse_attr attr.
249 (*qrt<mode>2_sse): Likewise.
250 (*prefetch_sse): Likewise.
252 * config/i386/i386-c.c (ix86_target_macros_internal): New case
254 (ix86_target_macros_internal): Likewise.
256 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
257 (*prefetch_sse_rex): Likewise.
258 (sse_rcpv4sf2): Likewise.
259 (sse_vmrcpv4sf2): Likewise.
260 (sse_sqrtv4sf2): Likewise.
261 (<sse>_vmsqrt<mode>2): Likewise.
262 (sse_ldmxcsr): Likewise.
263 (sse_stmxcsr): Likewise.
264 (*sse_sfence): Likewise.
265 (sse2_clflush): Likewise.
266 (*sse2_mfence): Likewise.
267 (*sse2_lfence): Likewise.
268 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
269 (<sse>_movup<ssemodesuffixf2c>): Likewise.
270 (avx_movdqu<avxmodesuffix>): Likewise.
271 (avx_lddqu<avxmodesuffix>): Likewise.
272 (sse2_movntv2di): Change attr "type" to "ssemov".
273 (sse2_movntsi): Likewise.
274 (rsqrtv8sf2): Change attr "type" to "sseadd".
275 (sse3_addsubv2df3): Set attr "atom_unit".
276 (sse3_h<plusminus_insn>v4sf3): Likewise.
277 (*sse2_pmaddwd): Likewise.
278 (*vec_extractv2di_1_rex64): Likewise.
279 (*vec_extractv2di_1_avx): Likewise.
280 (sse2_psadbw): Likewise.
281 (ssse3_phaddwv8hi3): Likewise.
282 (ssse3_phaddwv4hi3): Likewise.
283 (ssse3_phadddv4si3): Likewise.
284 (ssse3_phadddv2si3): Likewise.
285 (ssse3_phaddswv8hi3): Likewise.
286 (ssse3_phaddswv4hi3): Likewise.
287 (ssse3_phsubwv8hi3): Likewise.
288 (ssse3_phsubwv4hi3): Likewise.
289 (ssse3_phsubdv4si3): Likewise.
290 (ssse3_phsubdv2si3): Likewise.
291 (ssse3_phsubswv8hi3): Likewise.
292 (ssse3_phsubswv4hi3): Likewise.
293 (ssse3_pmaddubsw128): Likewise.
294 (sse3_pmaddubsw: Likewise.
295 (ssse3_palignrti): Likewise.
296 (ssse3_palignrdi): Likewise.
298 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
300 * doc/install.texi (Specific): Fix two cross-references to MinGW.
302 2009-04-06 Richard Guenther <rguenther@suse.de>
304 PR tree-optimization/28868
305 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
306 of which PHI results we inserted.
307 (insert_into_preds_of_block): Record inserted PHIs.
308 (eliminate): Eliminate redundant PHI nodes.
309 (init_pre): Init inserted_phi_names.
311 2009-04-06 Richard Guenther <rguenther@suse.de>
313 PR tree-optimization/39643
314 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
315 IMAGPART_EXPRs of complex constants.
316 (execute_fold_all_builtins): If we folded a call queue
317 TODO_update_address_taken.
319 2009-04-06 Jan Hubicka <jh@suse.cz>
322 * except.c (remove_unreachable_regions): Propagate may_contain_throw
325 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
327 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
329 (ic_invalidate_array): Likewise.
331 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
333 * calls.c (emit_library_call_value_1): Fix a problem with parameter
334 alignment for library calls.
336 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
338 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
339 (mingw32 tm clause use_gcc_stdint): Set to wrap.
340 * config/i386/mingw-stdint.h: New file.
342 2009-04-05 Richard Guenther <rguenther@suse.de>
344 PR tree-optimization/39648
345 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
346 our &A vs. &A[0] IL deficiencies.
348 2009-04-04 Jan Hubicka <jh@suse.cz>
350 * except.c (sjlj_find_directly_reachable_regions): Be ready for
351 removed toplevel regions.
352 (sjlj_mark_call_sites): Likewise.
354 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
356 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
357 (cygwin tm clause use_gcc_stdint): Set to wrap.
358 * config/i386/cygwin-stdint.h: New file.
360 2009-04-04 Richard Guenther <rguenther@suse.de>
362 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
363 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
364 single-argument PHIs if we are in loop-closed SSA form.
365 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
366 for the pre-condition.
367 (slpeel_tree_peel_loop_to_edge): Likewise.
368 (vect_build_loop_niters): Take an optional sequence to append stmts.
369 (vect_generate_tmps_on_preheader): Likewise.
370 (vect_do_peeling_for_loop_bound): Take extra guards for the
372 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
373 the cost model check.
374 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
375 guards if we are going to peel. Do not apply versioning in that
377 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
378 (vect_do_peeling_for_loop_bound): Likewise.
379 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
380 loop bound only record extra pre-conditions, do not apply loop
383 2009-04-04 Richard Guenther <rguenther@suse.de>
385 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
388 2009-04-04 Jan Hubicka <jh@suse.cz>
390 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
391 last_basic_block for size of bb->index indexed array.
392 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
393 compute_out, link_btr_uses, build_btr_def_use_webs,
394 build_btr_def_use_webs, migrate_btr_defs): Likewise.
396 2009-04-04 Jan Hubicka <jh@suse.cz>
398 * except.c (remove_eh_handler_and_replace): Break out from ...
399 (remove_eh_handler): ... here.
400 (bring_to_root): New function.
401 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
402 handled ones, bring others to root of tree.
404 2009-04-04 Jan Hubicka <jh@suse.cz>
406 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
407 (all_phis_safe_to_merge): New function.
408 (update_info): New structure.
409 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
410 (cleanup_empty_eh): Update SSA if possible.
412 2009-04-04 Richard Guenther <rguenther@suse.de>
414 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
415 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
416 (append_vuse): Likewise.
418 2009-04-04 Jakub Jelinek <jakub@redhat.com>
420 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
421 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
422 instead of REG_UNSAVED for DW_CFA_undefined.
423 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
424 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
427 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
430 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
431 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
432 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
434 2009-04-04 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/8781
437 PR tree-optimization/37892
438 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
439 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
440 (valueize_refs): Call it for *& valueizations.
441 (shared_reference_ops_from_ref): Rename to ...
442 (valueize_shared_reference_ops_from_ref): ... this and valueize.
443 (shared_reference_ops_from_call): Rename to ...
444 (valueize_shared_reference_ops_from_call): ... this and valueize.
445 (vn_reference_lookup): Update.
446 (visit_reference_op_call): Likewise.
447 * tree-ssa-pre.c (phi_translate_1): Fold *&.
448 (eliminate): Value-replace the call address in call statements.
450 2009-04-04 Richard Guenther <rguenther@suse.de>
452 PR tree-optimization/39636
453 * tree-ssa-forwprop.c
454 (forward_propagate_addr_into_variable_array_index): Check for
455 GIMPLE_ASSIGN before accessing the rhs code.
457 2009-04-03 Jason Merrill <jason@redhat.com>
459 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
461 2009-04-03 Steve Ellcey <sje@cup.hp.com>
463 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
464 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
465 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
466 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
467 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
468 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
469 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
470 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
471 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
472 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
473 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
474 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
475 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
476 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
477 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
478 Use fr_reg_or_fp01_operand instead of fr_register_operand
480 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
481 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
482 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
484 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
486 PR rtl-optimization/39607
487 PR rtl-optimization/39631
489 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
490 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
491 instead of DF_LR_OUT.
492 * ira-lives.c (process_bb_node_lives): Ditto.
493 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
494 instead of DF_LR_{OUT,IN}.
495 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
496 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
498 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
500 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
501 (execute_lower_omp): Always run but take the short way out if -fopenmp
503 (gate_lower_omp): Remove, forcing the pass manager to always run the
504 pass and always set PROP_gimple_lomp.
505 (pass_lower_omp): Remove gate function.
506 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
507 PROP_trees. Instead, require it.
508 * ipa-cp.c (pass_ipa_cp): Likewise.
509 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
510 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
511 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
514 2009-04-03 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/23940
518 PR tree-optimization/33237
521 PR tree-optimization/36201
522 PR tree-optimization/36230
523 PR tree-optimization/38049
524 PR tree-optimization/38207
525 PR tree-optimization/38230
526 PR tree-optimization/38301
527 PR tree-optimization/38585
529 PR tree-optimization/38985
530 PR tree-optimization/39299
531 * tree-ssa-structalias.h: Remove.
532 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
533 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
534 (struct vuse_element_d): Remove.
535 (struct vuse_vec_d): Likewise.
536 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
537 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
538 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
539 VUSE_ELEMENT_VAR): Likewise.
540 (struct voptype_d): Likewise.
541 (NUM_VOP_FREE_BUCKETS): Likewise.
542 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
543 (struct stmt_operands_d): Remove.
544 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
545 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
546 VDEF_NUM, VDEF_VECT): Likewise.
547 (copy_virtual_operands): Remove.
548 (operand_build_cmp): Likewise.
549 (create_ssa_artificial_load_stmt): Likewise.
550 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
551 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
552 vuse_index and mayuse_index members. Pack and move done and iter_type
553 members to the front.
554 (SSA_OP_VMAYUSE): Remove.
555 (SSA_OP_VIRTUAL_USES): Adjust.
556 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
557 (unlink_stmt_vdef): Declare.
558 (add_to_addressable_set): Remove.
559 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
560 (vrp_visit_stmt): Likewise.
561 * doc/tree-ssa.texi (Alias analysis): Update.
562 * doc/invoke.texi (max-aliased-vops): Remove docs.
563 (avg-aliased-vops): Likewise.
564 * tree-into-ssa.c (syms_to_rename): Remove.
565 (need_to_update_vops_p): Likewise.
566 (need_to_initialize_update_ssa_p): Rename to ...
567 (update_ssa_initialized_fn): ... this. Track function we are
569 (symbol_marked_for_renaming): Simplify.
570 (add_new_name_mapping): Do not set need_to_update_vops_p.
571 (dump_currdefs): Use SYMS_TO_RENAME.
572 (rewrite_update_stmt): Always walk all uses/defs.
573 (dump_update_ssa): Adjust.
574 (init_update_ssa): Take function argument. Track what we are
576 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
577 (create_new_def_for): Initialize for cfun, assert we are initialized
579 (mark_sym_for_renaming): Simplify.
580 (mark_set_for_renaming): Do not initialize update-ssa.
581 (need_ssa_update_p): Simplify. Take function argument.
582 (name_mappings_registered_p): Assert we ask for the correct function.
583 (name_registered_for_update_p): Likewise.
584 (ssa_names_to_replace): Likewise.
585 (release_ssa_name_after_update_ssa): Likewise.
586 (update_ssa): Likewise. Use SYMS_TO_RENAME.
587 (dump_decl_set): Do not print a newline.
588 (debug_decl_set): Do it here.
589 (dump_update_ssa): And here.
590 * tree-ssa-loop-im.c (move_computations): Adjust.
591 (movement_possibility): Likewise.
592 (determine_max_movement): Likewise.
593 (gather_mem_refs_stmt): Likewise.
594 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
596 * tree-complex.c (update_all_vops): Remove.
597 (expand_complex_move): Adjust.
598 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
599 Simplify test for memory referencing statement. Exclude
600 non-invariant ADDR_EXPRs.
601 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
602 * tree-loop-distribution.c (generate_memset_zero): Adjust.
603 (rdg_flag_uses): Likewise.
604 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
606 (tree_optimize_tail_calls_1): Also split the
607 edge from the entry block if we have degenerate PHI nodes in
608 the first basic block.
609 * tree.c (init_ttree): Remove memory-tag related code.
610 (tree_code_size): Likewise.
611 (tree_node_structure): Likewise.
612 (build7_stat): Re-write to be build6_stat.
613 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
615 (struct tree_memory_tag): Remove.
616 (struct tree_memory_partition_tag): Likewise.
617 (union tree_node): Adjust.
618 (build7): Re-write to be build6.
619 * tree-pass.h (pass_reset_cc_flags): Remove.
620 (TODO_update_address_taken): New flag.
621 (pass_simple_dse): Remove.
622 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
623 * params.h (MAX_ALIASED_VOPS): Remove.
624 (AVG_ALIASED_VOPS): Likewise.
625 * omp-low.c (expand_omp_taskreg): Update SSA form.
626 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
627 aliases the lhs in a copy stmt.
628 * tree-ssa-dse.c (struct address_walk_data): Remove.
629 (memory_ssa_name_same): Likewise.
630 (memory_address_same): Likewise.
631 (get_kill_of_stmt_lhs): Likewise.
632 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
633 unused stores. Look through PHI nodes into post-dominated regions.
634 (dse_optimize_stmt): Simplify. Properly remove stores.
635 (tree_ssa_dse): Compute dominators.
636 (execute_simple_dse): Remove.
637 (pass_simple_dse): Likewise.
638 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
639 gimple_loaded_syms and gimple_stored_syms computation.
640 * toplev.c (dump_memory_report): Dump alias and pta stats.
641 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
642 (vn_reference_eq): Likewise.
643 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
644 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
645 valueize_vuses): Remove.
646 (get_def_ref_stmt_vuses): Simplify. Rename to ...
647 (get_def_ref_stmt_vuse): ... this.
648 (vn_reference_lookup_2): New function.
649 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
650 walking equivalent vuses. Simplify.
651 (vn_reference_lookup): Likewise.
652 (vn_reference_insert): Likewise.
653 (vn_reference_insert_pieces): Likewise.
654 (visit_reference_op_call): Simplify.
655 (visit_reference_op_load): Likewise.
656 (visit_reference_op_store): Likewise.
657 (init_scc_vn): Remove shared_lookup_vuses initialization.
658 (free_scc_vn): Remove shared_lookup_vuses freeing.
659 (sort_vuses, sort_vuses_heap): Remove.
660 (get_ref_from_reference_ops): Export.
661 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
662 vector with single vuse pointer.
663 (vn_reference_lookup_pieces, vn_reference_lookup,
664 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
665 (shared_vuses_from_stmt): Remove.
666 (get_ref_from_reference_ops): Declare.
667 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
668 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
669 memory-tag related code.
670 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
671 (likely_value): Add comment, skip static-chain of call statements.
672 (surely_varying_stmt_p): Adjust.
673 (gimplify_and_update_call_from_tree): Likewise.
674 (execute_fold_all_builtins): Do not rebuild alias info.
675 (gimplify_and_update_call_from_tree): Properly update VOPs.
676 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
677 (copy_ref_info): Remove memory-tag related code.
678 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
679 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
680 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
682 * tree-ssa-dom.c (gimple_p): Remove typedef.
683 (eliminate_redundant_computations): Adjust.
684 (record_equivalences_from_stmt): Likewise.
685 (avail_expr_hash): Likewise.
686 (avail_expr_eq): Likewise.
687 * tree-ssa-propagate.c (update_call_from_tree): Properly
689 (stmt_makes_single_load): Likewise.
690 (stmt_makes_single_store): Likewise.
691 * tree-ssa-alias.c: Rewrite completely.
692 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
693 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
694 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
695 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
696 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
697 Remove public functions.
698 (pass_reset_cc_flags): Remove.
699 (pass_build_alias): Move ...
700 * tree-ssa-structalias.c (pass_build_alias): ... here.
701 * tree-ssa-alias.c (may_be_aliased): Move ...
702 * tree-flow-inline.h (may_be_aliased): ... here.
703 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
704 count_uses_and_derefs): Move ...
705 * gimple.c: ... here.
706 * gimple.h (count_uses_and_derefs): Declare.
707 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
708 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
709 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
710 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
711 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
712 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
713 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
715 * tree-dfa.c (refs_may_alias_p): Move ...
716 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
717 * tree-ssa-alias.h: New file.
718 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
719 (statement_sink_location): Likewise.
720 * opts.c (decode_options): Do not adjust max-aliased-vops or
721 avg-aliased-vops values.
722 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
723 (TV_CALL_CLOBBER): Likewise.
724 (TV_FLOW_SENSITIVE): Likewise.
725 (TV_FLOW_INSENSITIVE): Likewise.
726 (TV_MEMORY_PARTITIONING): Likewise.
727 (TV_ALIAS_STMT_WALK): New timevar.
728 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
729 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
730 (get_address_description): Remove memory-tag related code.
731 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
732 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
733 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
734 and immediate uses in statements. Document.
735 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
736 (dump_symbols): Remove.
737 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
738 * alias.c (get_deref_alias_set): New function split out from ...
739 (get_alias_set): ... here.
740 * alias.h (get_deref_alias_set): Declare.
741 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
742 type parameter. Remove restrict pointer handling. Create a
743 ref-all pointer in case type-based alias sets do not conflict.
744 (vect_analyze_data_refs): Remove SMT related code.
745 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
746 (vectorizable_load): Likewise.
747 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
748 (DR_SYMBOL_TAG, DR_VOPS): Remove.
749 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
750 Ignore vops and SMTs.
751 (dr_analyze_alias): Likewise..
752 (free_data_ref): Likewise.
753 (create_data_ref): Likewise.
754 (analyze_all_data_dependences): Likewise.
755 (get_references_in_stmt): Adjust.
756 * tree-flow-inline.h (gimple_aliases_computed_p,
757 gimple_addressable_vars, gimple_call_clobbered_vars,
758 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
759 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
760 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
761 gimple_mem_ref_stats): Remove.
762 (gimple_vop): New function.
763 (op_iter_next_use): Remove vuses and mayuses cases.
764 (op_iter_next_def): Remove vdefs case.
765 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
766 (clear_and_done_ssa_iter): Do not set removed fields.
767 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
768 Assert we are not iterating over vuses or vdefs if not also
769 iterating over uses or defs.
770 (op_iter_init_use): Likewise.
771 (op_iter_init_def): Likewise.
772 (op_iter_next_vdef): Remove.
773 (op_iter_next_mustdef): Likewise.
774 (op_iter_init_vdef): Likewise.
775 (compare_ssa_operands_equal): Likewise.
776 (link_use_stmts_after): Handle vuse operand.
777 (is_call_used): Use is_call_clobbered.
778 (is_call_clobbered): Global variables are always call clobbered,
779 query the call-clobbers bitmap.
780 (mark_call_clobbered): Ignore global variables.
781 (clear_call_clobbered): Likewise.
782 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
783 virtual operands sanity check.
784 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
786 (TARGET_MEM_REF): Remove TMR_TAG operand.
787 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
788 Remove call-clobber related code.
789 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
790 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
791 partitions or escape reason.
792 (get_single_def_stmt, get_single_def_stmt_from_phi,
793 get_single_def_stmt_with_phi): Remove.
794 (dump_referenced_vars): Tidy.
795 (get_ref_base_and_extent): Allow bare decls.
796 (collect_dfa_stats): Adjust.
797 * graphite.c (rename_variables_in_stmt): Adjust.
798 (graphite_copy_stmts_from_block): Likewise.
799 (translate_clast): Likewise.
800 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
802 (translate_vuse_through_block): Use the oracle.
803 (phi_translate_1): Adjust.
804 (value_dies_in_block_x): Use the oracle. Cache the outcome
806 (valid_in_sets): Check if the VUSE for
807 a REFERENCE is available.
808 (eliminate): Do not remove stmts during elimination,
809 instead queue and remove them afterwards.
810 (do_pre): Do not rebuild alias info.
811 (pass_pre): Run TODO_rebuild_alias before PRE.
812 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
813 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
814 (mark_all_v_defs_stmt): Remove.
815 (mark_all_v_defs_seq): Adjust.
816 (sra_replace): Likewise.
817 (scalarize_use): Likewise.
818 (scalarize_copy): Likewise.
819 (scalarize_init): Likewise.
820 (scalarize_ldst): Likewise.
822 (tree_sra): Do not rebuild alias info.
823 (tree_sra_early): Adjust.
824 (pass_sra): Run TODO_update_address_taken before SRA.
825 * tree-predcom.c (set_alias_info): Remove.
826 (prepare_initializers_chain): Do not call it.
827 (mark_virtual_ops_for_renaming): Adjust.
828 (mark_virtual_ops_for_renaming_list): Remove.
829 (initialize_root_vars): Adjust.
830 (initialize_root_vars_lm): Likewise.
831 (prepare_initializers_chain): Likewise.
832 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
833 (may_propagate_copy_into_stmt): Likewise.
834 (merge_alias_info): Do nothing for now.
835 (propagate_tree_value_into_stmt): Adjust.
836 (stmt_may_generate_copy): Likewise.
837 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
838 not mark symbols for renaming.
839 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
840 with the same statement, make sure to update the new pointed-to one.
841 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
842 call statements, do not mark symbols for renaming.
843 (mark_operand_necessary): Dump something.
844 (ref_may_be_aliased): New function.
845 (mark_aliased_reaching_defs_necessary_1): New helper function.
846 (mark_aliased_reaching_defs_necessary): Likewise.
847 (mark_all_reaching_defs_necessary_1): Likewise.
848 (mark_all_reaching_defs_necessary): Likewise.
849 (propagate_necessity): Do not process virtual PHIs. For
850 non-aliased loads mark all reaching definitions as necessary.
851 For aliased loads and stores mark the immediate dominating
852 aliased clobbers as necessary.
853 (visited): New global static.
854 (perform_tree_ssa_dce): Free visited bitmap after propagating
856 (remove_dead_phis): Perform simple dead virtual PHI removal.
857 (remove_dead_stmt): Properly unlink virtual operands when
859 (eliminate_unnecessary_stmts): Schedule PHI removal after
861 * tree-ssa-ter.c (is_replaceable_p): Adjust.
862 (process_replaceable): Likewise.
863 (find_replaceable_in_bb): Likewise.
864 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
865 based on the single gimple vop.
866 (verify_flow_insensitive_alias_info): Remove.
867 (verify_flow_sensitive_alias_info): Likewise.
868 (verify_call_clobbering): Likewise.
869 (verify_memory_partitions): Likewise.
870 (verify_alias_info): Likewise.
871 (verify_ssa): Adjust..
872 (execute_update_addresses_taken): Export. Update SSA
873 manually. Optimize only when optimizing. Use a local bitmap.
874 (pass_update_address_taken): Remove TODO_update_ssa, add
876 (pass_update_address_taken): Just use TODO_update_address_taken.
877 (init_tree_ssa): Do not initialize addressable_vars.
878 (verify_ssa): Verify new VUSE / VDEF properties.
879 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
880 Do not call verify_alias_info.
881 (delete_tree_ssa): Clear the VUSE, VDEF operands.
882 Do not free the loaded and stored syms bitmaps. Reset the escaped
883 and callused solutions. Do not free addressable_vars.
884 Remove memory-tag related code.
885 (warn_uninitialized_var): Aliases are always available.
886 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
887 * lambda-code.c (can_put_in_inner_loop): Adjust.
888 (can_put_after_inner_loop): Likewise.
889 (perfect_nestify): Likewise.
890 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
891 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
892 (vectorizable_conversion): Do not mark symbols for renaming.
893 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
894 (expand_call_inline): Unlink the calls virtual operands before
896 (tree_function_versioning): Do not call update_ssa if we are not
897 updating clones. Simplify.
898 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
899 (propagate_with_phi): Likewise..
900 * tree-outof-ssa.c (create_temp): Remove memory tag and call
901 clobber code. Assert we are not aliased or global.
902 * tree-flow.h: Include tree-ssa-alias.h
903 (enum escape_type): Remove.
904 (struct mem_sym_stats_d): Likewise.
905 (struct mem_ref_stats_d): Likewise.
906 (struct gimple_df): Add vop member. Remove global_var,
907 call_clobbered_vars, call_used_vars, addressable_vars,
908 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
909 escaped and callused members.
910 (struct ptr_info_def): Remove all members, add points-to solution
912 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
913 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
914 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
915 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
916 (tree-ssa-alias.o): Likewise.
917 (toplev.o): Add tree-ssa-alias.h
918 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
919 * gimple.c (gimple_set_bb): Fix off-by-one error.
920 (is_gimple_reg): Do not handle memory tags.
921 (gimple_copy): Also copy virtual operands.
922 Delay updating the statement. Do not reset loaded and stored syms.
923 (gimple_set_stored_syms): Remove.
924 (gimple_set_loaded_syms): Likewise.
925 (gimple_call_copy_skip_args): Copy the virtual operands
926 and mark the new statement modified.
927 * tree-ssa-structalias.c (may_alias_p): Remove.
928 (set_uids_in_ptset): Take the alias set to prune with as
929 parameter. Fold in the alias test of may_alias_p.
930 (compute_points_to_sets): Compute whether a ptr is dereferenced
932 (process_constraint): Deal with &ANYTHING on the lhs, reject all
933 other ADDRESSOF constraints on the lhs.
934 (get_constraint_for_component_ref): Assert that we don't get
935 ADDRESSOF constraints from the base of the reference.
936 Properly generate UNKNOWN_OFFSET for DEREF if needed.
937 (struct variable_info): Remove collapsed_to member.
938 (get_varinfo_fc): Remove.
939 (new_var_info): Do not set collapsed_to.
940 (dump_constraint): Do not follow cycles.
941 (dump_constraint_graph): Likewise.
942 (build_pred_graph): Likewise.
943 (build_succ_graph): Likewise.
944 (rewrite_constraints): Likewise.
945 (do_simple_structure_copy): Remove.
946 (do_rhs_deref_structure_copy): Remove.
947 (do_lhs_deref_structure_copy): Remove.
948 (collapse_rest_of_var): Remove.
949 (do_structure_copy): Re-implement.
950 (pta_stats): New global variable.
951 (dump_pta_stats): New function.
952 (struct constraint_expr): Make offset signed.
953 (UNKNOWN_OFFSET): Define special value.
954 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
955 (solution_set_expand): New helper function split out from ...
956 (do_sd_constraint): ... here.
957 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
958 (do_ds_constraint): Likewise.
959 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
960 and CALLUSED = *CALLUSED.
961 (set_union_with_increment): Make inc argument signed.
963 (get_constraint_for_ptr_offset): Handle unknown and negative
965 (first_vi_for_offset): Handle offsets before start. Bail
966 out early for offsets beyond the variable extent.
967 (first_or_preceding_vi_for_offset): New function.
968 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
969 Together with ESCAPED = *ESCAPED this properly computes reachability.
970 (find_what_var_points_to): New function.
971 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
972 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
973 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
974 pt_solutions_intersect): New functions.
975 (compute_call_used_vars): Remove.
976 (compute_may_aliases): New main entry into PTA computation.
977 * gimple.h (gimple_p): New typedef.
978 (struct gimple_statement_base): Remove references_memory_p.
979 (struct gimple_statement_with_memory_ops_base): Remove
980 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
982 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
983 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
984 gimple_set_references_memory): Remove.
985 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
986 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
988 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
989 (verify_expr): Allow RESULT_DECL.
990 (gimple_duplicate_bb): Do not copy virtual operands.
991 (gimple_duplicate_sese_region): Adjust.
992 (gimple_duplicate_sese_tail): Likewise.
993 (mark_virtual_ops_in_region): Remove.
994 (move_sese_region_to_fn): Do not call it.
995 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
997 (execute_function_todo): Handle TODO_update_address_taken,
998 call execute_update_addresses_taken for TODO_rebuild_alias.
999 (execute_todo): Adjust.
1000 (execute_one_pass): Init dump files early.
1001 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1003 (create_general_new_stmt): Clear vops.
1004 * tree-ssa-reassoc.c (get_rank): Adjust.
1005 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1006 symbols for renaming.
1007 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1008 (PARAM_AVG_ALIASED_VOPS): Likewise.
1009 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1010 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1011 * tree-ssa-operands.c: Simplify for new virtual operand
1013 (operand_build_cmp, copy_virtual_operands,
1014 create_ssa_artificial_load_stmt, add_to_addressable_set,
1015 gimple_add_to_addresses_taken): Remove public functions.
1016 (unlink_stmt_vdef): New function.
1018 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1020 * config.gcc (powerpc-*-linux*): Merge variants.
1022 2009-04-02 Chao-ying Fu <fu@mips.com>
1023 James Grosbach <james.grosbach@microchip.com>
1025 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1026 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1028 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1029 keep_interrupts_masked_p, use_debug_exception_return_p.
1030 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1031 keep_interrupts_masked, use_debug_exception_return.
1032 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1033 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1035 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1036 (mips_print_operand): Process COP0 registers to print $0 .. $31
1037 correctly for GAS to process.
1038 (mips_interrupt_extra_call_saved_reg_p): New function.
1039 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1041 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1042 (mips_compute_frame_info): Add supports for interrupt context that
1043 includes doubleword accumulators and COP0 registers.
1044 (mips_for_each_saved_acc): New function.
1045 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1046 mips_for_each_saved_reg.
1047 (mips_save_reg): Save accumulators.
1048 (mips_kernel_reg_p): A new for_each_rtx callback.
1049 (mips_expand_prologue): Support interrupt handlers.
1050 (mips_restore_reg): Restore accumulators.
1051 (mips_expand_epilogue): Support interrupt handlers.
1052 (mips_can_use_return_insn): Return false for interrupt handlers.
1053 (mips_epilogue_uses): New function.
1054 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1055 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1056 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1057 cop0_move): New instructions.
1058 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1059 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1061 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1063 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1064 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1065 interrupt handlers, we use K0 as the temporary register.
1066 (EPILOGUE_USES): Change to a function call.
1067 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1068 handlers, we use K0 as the temporary register.
1070 * doc/extend.texi (Function Attributes): Document interrupt,
1071 use_shadow_register_set, keep_interrupts_masked,
1072 use_debug_exception_return for MIPS attributes.
1074 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1076 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1077 Remove a number of t-files from tmake_file.
1078 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1079 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1080 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1081 target_prototype, not TARGET_PROTOTYPE.
1082 (LINK_OS_GNU_SPEC): Define.
1083 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1084 and darwin-ldoubdle.c.
1086 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1089 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1090 (cpp_options): Ditto.
1091 (default_compilers): Ditto.
1092 (display_help): Ditto.
1093 (process_command): Ditto.
1095 (set_input): Use lbasename instead of duplicate code.
1096 (save_temps_prefix): New static for -save-temps=obj.
1097 (save_temps_length): Ditto.
1099 * doc/invoke.texi (-save-temps=obj): Document new variant to
1102 2009-04-02 Jeff Law <law@redhat.com>
1104 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1107 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1109 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1110 * configure: Regenerated.
1112 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1114 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1115 share the argument list.
1117 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1121 2009-02-12 Diego Novillo <dnovillo@google.com>
1123 * varpool.c (debug_varpool): New.
1124 * cgraph.h (debug_varpool): Declare.
1126 2009-04-02 Jan Hubicka <jh@suse.cz>
1128 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1131 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1133 * config/i386/i386.c (ix86_abi): Move initialization to ...
1134 (override_options): Here.
1136 2009-04-02 Christian Bruel <christian.bruel@st.com>
1138 * config/sh/sh.c (sh_dwarf_register_span): New function.
1139 (TARGET_DWARF_REGISTER_SPAN): Define.
1140 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1142 2009-04-02 Ira Rosen <irar@il.ibm.com>
1144 PR tree-optimization/39595
1145 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1146 interleaved loads group is not greater than the SLP group size.
1148 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1150 * builtins.c (is_builtin_name): New.
1151 (called_as_built_in): Use is_builtin_name.
1152 * tree.h (is_builtin_name): New.
1153 * varasm.c (incorporeal_function_p): Use is_builtin_name
1155 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1157 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1159 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1162 * c-decl.c: (clone_underlying_type): Move this ...
1163 * c-common.c (set_underlying_type): ... here.
1164 Also, make sure the function properly sets TYPE_STUB_DECL() on
1165 the newly created typedef variant type.
1166 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1167 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1169 2009-04-02 Richard Guenther <rguenther@suse.de>
1171 PR tree-optimization/37221
1172 * tree-flow.h (degenerate_phi_result): Declare.
1173 * tree-ssa-dom.c (degenerate_phi_result): Export.
1174 * tree-scalar-evolution.c (analyze_initial_condition): If
1175 the initial condition is defined by a degenerate PHI node
1176 use the degenerate value.
1178 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1180 PR rtl-optimization/39588
1181 * combine.c (merge_outer_ops): Do not set the constant when this
1183 (simplify_shift_const_1): Do not modify it either in this case.
1185 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1187 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1188 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1190 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1193 * c-lex.c (interpret_float): Default (no suffix) is double.
1195 2009-04-1 Xinliang David Li <davidxl@google.com>
1197 * config/i386/i386.c (legitimate_constant_p): Recognize
1198 all one vector constant.
1200 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1202 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1203 Change #include order to silence two warnings.
1205 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1207 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1208 (ASM_SPEC): Pass -k to the assembler for PIC code.
1210 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1212 * gcc/config.gcc: Add vax-*-linux* to the switch.
1213 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1214 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1216 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1218 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1219 Use predicate macros instead of GET_CODE() == foo.
1220 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1221 ashlsi3, rotrsi3, <unnamed>): Likewise.
1223 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1225 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1226 jbbccihi, jbbccisi): Remova trailing whitespace.
1227 * gcc/config/vax/constraints.md: Likewise.
1228 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1229 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1230 * gcc/config/vax/predicates.md: Likewise.
1231 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1232 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1233 * gcc/config/vax/vax.h: Likewise.
1234 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1236 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1238 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1239 (indirectable_address_p, adjacent_operands_p): Add spaces around
1241 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1243 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1245 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1246 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1247 index_term_p, reg_plus_index_p, legitimate_address_p,
1248 vax_mode_dependent_address_p): Update comments to match functions
1249 modified by the recent int->bool conversion.
1251 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1253 * gcc/config/vax/builtins.md: Update copyright message.
1254 * gcc/config/vax/constraints.md: Likewise.
1255 * gcc/config/vax/netbsd-elf.h: Likewise.
1256 * gcc/config/vax/predicates.md: Likewise.
1257 * gcc/config/vax/vax-protos.h: Likewise.
1258 * gcc/config/vax/vax.c: Likewise.
1259 * gcc/config/vax/vax.h: Likewise.
1260 * gcc/config/vax/vax.md: Likewise.
1261 * gcc/config/vax/vax.opt: Likewise.
1263 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1265 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1266 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1267 * gcc/config/vax/constraints.md (B, R): Likewise.
1268 * gcc/config/vax/predicates.md (external_memory_operand,
1269 nonimmediate_addsub_di_operand): Likewise.
1270 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1271 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1272 untyped_call): Likewise.
1274 2009-04-01 Matt Thomas <matt@3am-software.com>
1276 * config/vax/predicates.md: New file. (symbolic_operand,
1277 local_symbolic_operand, external_symbolic_operand,
1278 external_const_operand, nonsymbolic_operand, external_memory_operand,
1279 indirect_memory_operand, indexed_memory_operand,
1280 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1281 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1283 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1284 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1285 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1286 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1287 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1288 * config/vax/vax.opt (mqmath): Add option.
1289 * config/vax/vax.md (isfx): Extend with DI.
1290 (VAXintQH, VAXintQHSD): Define.
1291 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1292 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1293 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1294 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1295 (movdi): Update constraints and use vax_output_int_move().
1296 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1297 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1298 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1299 nonlocal_goto): New.
1300 (mov<mode>): Extend accepted operand types.
1301 (subdi3_old): Rename from subdi3, change update constraints and use
1302 a new implementation.
1303 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1304 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1305 MOVE_RATIO, CLEAR_RATIO): Define.
1306 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1307 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1308 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1309 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1310 (split_quadword_operands): Make static and really allow variable
1312 (print_operand_address): Update for PIC generation.
1313 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1314 indexable_address_p, fixup_mathdi_operand,
1315 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1316 (vax_float_literal, legitimate_constant_p,
1317 indirectable_constant_address_p, index_term_p,
1318 reg_plus_index_p): Return bool instead of int.
1319 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1321 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1323 (vax_output_conditional_branch): Indent.
1324 (legitimate_constant_address_p, indirectable_constant_address_p,
1325 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1326 vax_mode_dependent_address_p): Return bool instead of int, update for
1328 * config/vax/vax-protos.h (legitimate_constant_address_p,
1329 legitimate_constant_p, legitimate_address_p,
1330 vax_mode_dependent_address_p): Change declaration to bool.
1331 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1332 vax_expand_addsub_di_operands, vax_output_int_subtract,
1333 vax_output_movmemsi): Declare.
1334 (split_quadword_operands, vax_float_literal): Delete declaration.
1335 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1336 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1337 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1338 ASM_OUTPUT_DWARF_PCREL): Define.
1339 (ASM_SPEC): Change definition to allow PIC generation.
1341 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1344 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1345 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1346 (booldi3_internal3): Use boolean_or_operator instead of
1349 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1352 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1353 declarator whose size is not an integer constant expression but
1354 folds to an integer constant, then treat it as a constant
1357 2009-04-01 Richard Guenther <rguenther@suse.de>
1359 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1360 i * 4 + 2 to (i * 2 + 1) * 2.
1362 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1365 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1366 return if c_parser_asm_string_literal returned NULL.
1368 2009-04-01 Nick Clifton <nickc@redhat.com>
1370 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1372 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1373 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1374 other typedefs to avoid conflicts with libgcc2.c. Define labels
1375 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1377 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1378 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1381 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1383 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1385 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1386 Andrey Galkin <agalkin@hypercom.com>
1389 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1390 Make object_name unique for each process.
1392 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1395 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1396 addressable variables in the parallel that could go out of scope while
1397 running queued tasks.
1399 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1401 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1402 (CASE_VALUES_THRESHOLD): Redefine.
1403 * config/avr/avr.c (avr_override_options): Remove initialization of
1404 avr_case_values_threshold variable.
1405 (avr_case_values_threshold): Remove variable. Add new function.
1406 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1407 * config/avr/avr.opt (mno-tablejump): Remove option.
1408 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1410 2009-04-01 DJ Delorie <dj@redhat.com>
1412 * varasm.c (default_function_rodata_section): Don't assume
1413 anything about where the first '.' in the section name is.
1415 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1417 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1418 rs6000_emit_stack_tie.
1420 2009-03-31 Ian Lance Taylor <iant@google.com>
1422 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1423 gimple_code with GIMPLE_RESX, not RESX.
1425 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1427 * c-common.c (c_get_ident): New.
1428 (c_common_nodes_and_builtins): Call it for type names that may be
1431 2009-04-01 Ben Elliston <bje@au.ibm.com>
1433 * config/rs6000/sysv4.opt (msdata): Improve option description.
1435 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1437 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1438 (divdf3_internal_lat): Remove.
1439 (divxf3_internal_lat): Remove.
1440 (divxf3_internal_thr): Remove.
1441 (divxf): Use divxf3_internal.
1442 * config/ia64/div.md (divsf3_internal_lat): New.
1443 (divdf3_internal_lat): New.
1444 (divxf3_internal): New.
1446 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1449 * Makefile.in (USE_GCC_STDINT): Define.
1450 (stmp-int-hdrs): Install stdint.h if applicable.
1451 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1453 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1454 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1455 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1456 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1457 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1458 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1459 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1460 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1461 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1462 (c_common_nodes_and_builtins): Initialize
1463 underlying_wchar_type_node. Do not initialize
1464 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1465 nodes for new types.
1466 (c_stddef_cpp_builtins): Define macros for new types.
1467 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1469 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1470 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1471 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1472 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1473 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1474 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1475 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1476 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1477 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1478 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1479 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1480 int16_type_node, int32_type_node, int64_type_node,
1481 uint8_type_node, uint16_type_node, c_uint32_type_node,
1482 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1483 int_least32_type_node, int_least64_type_node,
1484 uint_least8_type_node, uint_least16_type_node,
1485 uint_least32_type_node, uint_least64_type_node,
1486 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1487 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1488 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1489 uintptr_type_node): Define.
1490 * c-cppbuiltin.c (builtin_define_constants,
1491 builtin_define_type_minmax): New.
1492 (builtin_define_stdint_macros): Define more macros.
1493 (c_cpp_builtins): Define more limit macros.
1495 (builtin_define_type_max): Define in terms of
1496 builtin_define_type_minmax. Remove is_long parameter. All
1498 * config.gcc (use_gcc_stdint): Define.
1499 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1500 Add newlib-stdint.h for generic targets.
1501 * config/glibc-stdint.h, config/newlib-stdint.h,
1502 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1503 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1504 * config/score/score.h (UINTPTR_TYPE): Define.
1505 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1506 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1507 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1508 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1509 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1510 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1511 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1512 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1513 * config/spu/spu.h (STDINT_LONG32): Define.
1514 * configure.ac (use_gcc_stdint): Substitute.
1515 * configure: Regenerate.
1516 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1517 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1518 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1519 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1520 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1521 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1522 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1523 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1524 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1525 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1526 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1527 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1528 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1529 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1530 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1531 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1532 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1533 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1534 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1535 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1536 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1537 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1538 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1539 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1540 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1541 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1542 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1543 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1544 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1546 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1548 * loop-iv.c (suitable_set_for_replacement): Renamed from
1549 simplify_using_assignment; changed to return bool and to accept new
1550 args DEST and SRC. Return true iff we find a source/destination pair
1551 that can be used to make a replacement, and fill SRC and DEST if so.
1552 Remove arg ALTERED. Don't deal with altered regs here. All callers
1554 (simplify_using_initial_values): Deal with altered regs here and track
1555 more precisely the effect they have on the validity of our expression.
1557 * loop-iv.c (simplify_using_condition): A condition of the form
1558 (EQ REG CONST) can be used to simply make a substitution.
1559 (simplify_using_initial_values): Keep track of conditions we have seen
1560 and keep using them to simplify new expressions, while applying the
1561 same substitutions to them as to the expression.
1563 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1564 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1567 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1568 changed. Use this when trying to improve the upper bound.
1569 Generate the comparison by using simplify_gen_relational.
1571 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1573 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1575 (simplify_using_assignment, simplify_using_initial_values): Call
1576 replace_in_expr to make replacements. Call replace_single_def_regs
1577 once on the initial version of the expression.
1579 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1582 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1584 2009-03-31 Richard Guenther <rguenther@suse.de>
1587 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1588 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1590 2009-03-31 Richard Guenther <rguenther@suse.de>
1592 * tree.h (div_if_zero_remainder): Declare.
1593 * fold-const.c (div_if_zero_remainder): Export.
1594 * tree-ssa-forwprop.c
1595 (forward_propagate_addr_into_variable_array_index): Handle
1596 constant array index addition outside of the variable index.
1598 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1601 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1602 define_splits, floatunssi<mode>2): Require x87 conversions from
1603 DImode to be permitted.
1605 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1607 PR preprocessor/15638
1608 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1610 2009-03-31 Richard Guenther <rguenther@suse.de>
1614 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1615 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1616 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1617 a separate statement.
1618 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1619 (lookup_tmp_var): Likewise.
1620 (is_gimple_formal_tmp_or_call_rhs): Remove.
1621 (is_gimple_reg_or_call_rhs): Rename to ...
1622 (is_gimple_reg_rhs_or_call): ... this.
1623 (is_gimple_mem_or_call_rhs): Rename to ...
1624 (is_gimple_mem_rhs_or_call): ... this.
1625 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1626 DECL_GIMPLE_REG_P only if is_formal is true.
1627 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1628 for non-proper post-modify expression gimplification.
1629 (gimplify_self_mod_expr): For post-modify expressions gimplify
1630 the lvalue to a minimal lvalue.
1631 (rhs_predicate_for): Remove formal temp case.
1632 (gimplify_modify_expr_rhs): Likewise.
1633 (gimplify_addr_expr): Use is_gimple_reg.
1634 (gimplify_expr): Remove formal temp cases.
1635 (gimple_regimplify_operands): Likewise.
1636 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1637 and FILTER_EXPR like constants.
1638 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1640 (is_gimple_formal_tmp_rhs): Remove.
1641 (is_gimple_reg_rhs): Remove special casing.
1642 (is_gimple_mem_rhs): Fix.
1643 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1644 (is_gimple_formal_tmp_var): Remove.
1645 (is_gimple_formal_tmp_reg): Likewise.
1646 (is_gimple_min_lval): Allow invariant component ref parts.
1647 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1648 is_gimple_formal_tmp_reg): Remove declarations.
1649 * tree-cfg.c (verify_expr): Verify that variables with address
1650 taken do not have DECL_GIMPLE_REG_P set.
1651 * tree-mudflap.c (mf_build_check_statement_for): Use
1652 force_gimple_operand instead of gimplify_expr.
1654 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1656 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1657 schedulable rows to compute_split_row.
1659 2009-03-31 Ben Elliston <bje@au.ibm.com>
1662 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1665 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1667 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1668 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1669 * configure: Regenerate.
1670 * config.in: Regenerate.
1671 * config/rs6000/rs6000.opt (mtls-markers): Add.
1672 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1673 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1674 (tls_ld_aix, tls_ld_sysv): Likewise.
1675 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1676 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1678 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1680 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1682 2009-03-30 Jan Hubicka <jh@suse.cz>
1684 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1686 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1687 detection and label handling.
1689 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1691 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1692 left_conflicts_size.
1693 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1694 ALLOCNO_LEFT_CONFLICTS_SIZE.
1696 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1697 remove_allocno_from_bucket_and_push,
1698 allocno_spill_priority_compare, push_allocnos_to_stack,
1699 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1700 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1701 (setup_allocno_left_conflicts_num): Ditto. Rename to
1702 setup_allocno_left_conflicts_size.
1703 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1704 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1705 setup_allocno_left_conflicts_size instead of
1706 setup_allocno_left_conflicts_num.
1708 * ira-build.c (ira_create_allocno): Use
1709 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1710 ALLOCNO_LEFT_CONFLICTS_NUM.
1712 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1714 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1715 instead of DF_LR_OUT.
1717 * ira-lives.c (process_bb_node_lives): Ditto.
1719 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1720 instead of DF_LR_{OUT,IN}.
1722 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1724 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1726 2009-03-30 Jan Hubicka <jh@suse.cz>
1728 * except.c (label_to_region_map): Fix thinko.
1730 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1733 * tree.h (tree_find_value): New declaration.
1734 * tree.c (tree_find_value): New function.
1735 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1737 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1740 * c-decl.c (struct c_binding): Add locus field.
1741 (bind): Add locus argument, set locus field from it.
1742 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1743 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1744 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1745 implicitly_declare, undeclared_variable, lookup_label,
1746 declare_label, c_make_fname_decl, c_builtin_function,
1747 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1750 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1753 * config/i386/i386.c (classify_argument): Check total size of
1756 2009-03-30 Martin Jambor <mjambor@suse.cz>
1758 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1759 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1760 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1763 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1764 seen_variable_array_ref while also traversing a union.
1766 * tree-inline.c (optimize_inline_calls): Do not call
1767 cgraph_node_remove_callees.
1768 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1769 (pass_remove_cgraph_callee_edges): New variable.
1770 * passes.c (init_optimization_passes): Add
1771 pass_remove_cgraph_callee_edges after early inlining and before all
1772 late intraprocedural passes.
1774 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1776 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1778 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1781 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1783 * combine.c (simplify_comparison): Use have_insn_for.
1784 * dojump.c (do_jump): Likewise.
1786 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1788 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1789 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1790 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1791 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1792 instead of sparc_compare_emitted.
1793 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1794 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1795 instead of sparc_compare_emitted.
1797 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1799 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1800 enter/exit cfglayout mode.
1801 (pass_partition_block): Require it.
1802 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1803 (combine_instructions): Track basic blocks instead of labels.
1804 (update_cfg_for_uncondjump): New.
1805 (try_combine): Use it. Update jumps after rescanning.
1806 (pass_combine): Require PROP_cfglayout.
1807 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1809 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1811 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1812 Provide/destroy PROP_cfglayout respectively.
1813 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1814 * tree-pass.h (PROP_cfglayout): New.
1816 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1818 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1819 fold_convert_const_fixed_from_fixed,
1820 fold_convert_const_fixed_from_int,
1821 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1822 set TREE_CONSTANT_OVERFLOW.
1823 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1824 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1826 2009-03-30 Ira Rosen <irar@il.ibm.com>
1828 * tree-vect-loop-manip.c: New file.
1829 * tree-vectorizer.c: Update documentation and included files.
1830 (vect_loop_location): Make extern.
1831 (rename_use_op): Move to tree-vect-loop-manip.c
1832 (rename_variables_in_bb, rename_variables_in_loop,
1833 slpeel_update_phis_for_duplicate_loop,
1834 slpeel_update_phi_nodes_for_guard1,
1835 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1836 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1837 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1838 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1839 find_loop_location): Likewise.
1840 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1841 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1842 get_vectype_for_scalar_type, vect_is_simple_use,
1843 supportable_widening_operation, supportable_narrowing_operation):
1845 (bb_in_loop_p): Move to tree-vect-loop.c.
1846 (new_loop_vec_info, destroy_loop_vec_info,
1847 reduction_code_for_scalar_code, report_vect_op,
1848 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1849 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1850 (vect_supportable_dr_alignment): Likewise.
1851 * tree-vectorizer.h (tree-data-ref.h): Include.
1852 (vect_loop_location): Declare.
1853 Reorganize function declarations according to the new file structure.
1854 * tree-vect-loop.c: New file.
1855 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1856 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1857 * tree-vect-data-refs.c: New file.
1858 * tree-vect-patterns.c (timevar.h): Don't include.
1859 * tree-vect-stmts.c: New file.
1860 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1861 tree-vect-slp.c, tree-vect-loop.c.
1862 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1863 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1864 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1865 (tree-vect-analyze.o): Remove.
1866 (tree-vect-transform.o): Likewise.
1867 (tree-vect-data-refs.o): Add rule.
1868 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1869 tree-vect-slp.o): Likewise.
1870 (tree-vect-patterns.o): Remove redundant dependencies.
1871 (tree-vectorizer.o): Likewise.
1872 * tree-vect-slp.c: New file.
1874 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1876 * optc-gen.awk: Warn if an option flag has multiple different
1879 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1881 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1882 -floop-block): Document dependences on PPL, CLooG and Graphite.
1884 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1886 PR rtl-optimization/323
1887 * c-common.c (c_fully_fold, convert_and_check,
1888 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1889 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1890 * c-common.def (EXCESS_PRECISION_EXPR): New.
1891 * c-cppbuiltin.c (builtin_define_float_constants): Define
1892 constants with enough digits for long double.
1893 * c-lex.c (interpret_float): Interpret constant with excess
1894 precision where appropriate.
1895 * c-opts.c (c_common_post_options): Set
1896 flag_excess_precision_cmdline. Give an error for
1897 -fexcess-precision=standard for C++ for processors where the
1898 option is significant.
1899 * c-parser.c (c_parser_conditional_expression): Handle excess
1900 precision in condition.
1901 * c-typeck.c (convert_arguments): Handle arguments with excess
1903 (build_unary_op): Move excess precision outside operation.
1904 (build_conditional_expr): Likewise.
1905 (build_compound_expr): Likewise.
1906 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1907 (build_modify_expr): Handle excess precision in RHS.
1908 (convert_for_assignment): Handle excess precision in converted
1910 (digest_init, output_init_element, process_init_element): Handle
1911 excess precision in initializer.
1912 (c_finish_return): Handle excess precision in return value.
1913 (build_binary_op): Handle excess precision in operands and add
1914 excess precision as needed for operation.
1915 * common.opt (-fexcess-precision=): New option.
1916 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1917 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1918 For standard excess precision, output explicit conversion to and
1919 truncation from XFmode.
1920 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1921 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1922 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1923 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1924 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1925 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1926 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1927 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1928 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1929 define_splits, sqrt<mode>2): Disable where appropriate for
1930 standard excess precision.
1931 * convert.c (convert_to_real): Do not shorten arithmetic to type
1932 for which excess precision would be used.
1933 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1934 * doc/invoke.texi (-fexcess-precision=): Document option.
1935 (-mfpmath=): Correct index entry.
1936 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1937 flag_excess_precision): New.
1938 * langhooks.c (lhd_post_options): Set
1939 flag_excess_precision_cmdline.
1940 * opts.c (common_handle_option): Handle -fexcess-precision=.
1941 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1942 init_excess_precision): New.
1943 (lang_dependent_init_target): Call init_excess_precision.
1944 * tree.c (excess_precision_type): New.
1945 * tree.h (excess_precision_type): Declare.
1947 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1950 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1951 non-lvalue to component.
1953 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1955 PR preprocessor/34695
1956 * Makefile.in (c-opts.o): Depend on c-tree.h.
1957 * c-common.c: Move down include of diagnostic.h.
1958 (done_lexing, c_cpp_error): New.
1959 * c-common.h (done_lexing): Declare.
1960 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1962 * c-opts.c: Include c-tree.h.
1963 (c_common_init_options): Set preprocessor error callback.
1964 (c_common_handle_option): Do not set preprocessor
1965 inhibit_warnings, warnings_are_errors, warn_system_headers,
1966 pedantic_errors or inhibit_warnings flags.
1967 (c_common_post_options): Do not check cpp_errors (parse_in).
1968 (c_common_finish): Do not output dependencies if there were
1969 errors. Do not check return value of cpp_finish.
1970 * c-ppoutput.c (pp_file_change): Set input_location.
1971 * c-tree.h (c_cpp_error): Declare.
1972 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1974 (diagnostic_build_prefix): Check override_column.
1975 * diagnostic.h (diagnostic_info): Add override_column field.
1976 (diagnostic_override_column): Define.
1978 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1980 * c-common.c (c_expand_expr, c_staticp): Remove.
1981 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1982 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1983 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1984 * c-gimplify.c (gimplify_compound_literal_expr,
1985 optimize_compound_literals_in_ctor): Remove.
1986 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1987 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1988 * c-semantics.c (emit_local_var): Remove.
1990 * langhooks-def.h (lhd_expand_expr): Remove.
1991 * langhooks.c (lhd_expand_expr): Remove.
1992 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1994 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1995 handling from c-semantics.c; don't call into langhook.
1996 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1997 * gimplify.c (gimplify_compound_literal_expr,
1998 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1999 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2000 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2001 as was done in c-gimplify.c.
2002 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2003 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2004 Move from c-common.h.
2005 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2007 * tree.c (staticp): Do not call langhook.
2008 * langhooks.c (lhd_staticp): Delete.
2009 * langhooks-def.h (lhd_staticp): Delete prototype.
2010 (LANG_HOOKS_STATICP): Delete.
2011 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2013 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2014 instead of DECL_STMTs.
2016 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2024 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2026 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2027 contained expression.
2028 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2029 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2030 conditional expressions for C.
2031 (decl_constant_value_for_optimization): Move from
2032 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2033 whether optimizing and that the expression is a VAR_DECL not of
2034 array type instead of doing such checks in the caller. Do not
2035 check pedantic. Call gcc_unreachable for C++.
2036 * c-common.def (C_MAYBE_CONST_EXPR): New.
2037 * c-common.h (c_fully_fold, c_save_expr,
2038 decl_constant_value_for_optimization): New prototypes.
2039 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2040 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2041 EXPR_INT_CONST_OPERANDS): Define.
2042 * c-convert.c (convert): Strip nops from expression.
2043 * c-decl.c (groktypename): Take extra parameters expr and
2044 expr_const_operands. Update call to grokdeclarator.
2045 (start_decl): Update call to grokdeclarator. Add statement for
2046 expressions used in type of decl.
2047 (grokparm): Update call to grokdeclarator.
2048 (push_parm_decl): Update call to grokdeclarator.
2049 (build_compound_literal): Add parameter non_const and build a
2050 C_MAYBE_COSNT_EXPR if applicable.
2051 (grokdeclarator): Take extra parameters expr and
2052 expr_const_operands. Track expressions used in declaration
2053 specifiers and declarators. Fold array sizes and track whether
2054 they are constant expressions and whether they are integer
2055 constant expressions.
2056 (parser_xref_tag): Set expr and expr_const_operands fields in
2058 (grokfield): Update call to grokdeclarator.
2059 (start_function): Update call to grokdeclarator.
2060 (build_null_declspecs): Set expr and expr_const_operands fields in
2062 (declspecs_add_type): Handle expressions in typeof specifiers.
2063 * c-parser.c (c_parser_declspecs): Set expr and
2064 expr_const_operands fields for declaration specifiers.
2065 (c_parser_enum_specifier): Likewise.
2066 (c_parser_struct_or_union_specifier): Likewise.
2067 (c_parser_typeof_specifier): Likewise. Update call to
2068 groktypename. Fold expression as needed. Return expressions with
2069 type instead of adding statements.
2070 (c_parser_attributes): Update calls to c_parser_expr_list.
2071 (c_parser_statement_after_labels): Fold expression before passing
2072 to objc_build_throw_stmt.
2073 (c_parser_condition): Fold expression.
2074 (c_parser_asm_operands): Fold expression.
2075 (c_parser_conditional_expression): Use c_save_expr. Update call
2076 to build_conditional_expr.
2077 (c_parser_alignof_expression): Update call to groktypename.
2078 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2079 original_code. Fold expression argument of va_arg. Create
2080 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2081 argument to va_arg. Update calls to groktypename. Fold array
2082 index for offsetof. Verify that first argument to
2083 __builtin_choose_expr has integer type.
2084 (c_parser_postfix_expression_after_paren_type): Update calls to
2085 groktypename and build_compound_literal. Handle expressions with
2086 side effects in type name.
2087 (c_parser_postfix_expression_after_primary): Update call to
2088 c_parser_expr_list. Set original_code for calls to
2089 __builtin_constant_p.
2090 (c_parser_expr_list): Take extra parameter fold_p. Fold
2091 expressions if requested.
2092 (c_parser_objc_type_name): Update call to groktypename.
2093 (c_parser_objc_synchronized_statement): Fold expression.
2094 (c_parser_objc_receiver): Fold expression.
2095 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2096 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2097 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2098 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2099 (struct c_typespec): Add elements expr and expr_const_operands.
2100 (struct c_declspecs): Add elements expr and expr_const_operands.
2101 (groktypename, build_conditional_expr, build_compound_literal):
2103 (in_late_binary_op): Declare.
2104 * c-typeck.c (note_integer_operands): New function.
2105 (in_late_binary_op): New variable.
2106 (decl_constant_value_for_broken_optimization): Move to c-common.c
2107 and rename to decl_constant_value_for_optimization.
2108 (default_function_array_conversion): Do not strip nops.
2109 (default_conversion): Do not call
2110 decl_constant_value_for_broken_optimization.
2111 (build_array_ref): Do not fold result.
2112 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2113 result when operand is a VLA.
2114 (c_expr_sizeof_type): Update call to groktypename. Handle
2115 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2116 result when operand names a VLA type.
2117 (build_function_call): Update call to build_compound_literal.
2118 Only fold result for calls to __builtin_* functions. Strip
2119 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2120 the function designator.
2121 (convert_arguments): Fold arguments. Update call to
2122 convert_for_assignment.
2123 (build_unary_op): Handle increment and decrement of
2124 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2125 decrement earlier. Fold operand of increment and decrement.
2126 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2127 built for integer operand. Wrap returns that are INTEGER_CSTs
2128 without being integer constant expressions or that have integer
2129 constant operands without being INTEGER_CSTs.
2130 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2131 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2132 result is an integer constant expression or can be used in
2133 unevaluated parts of one and avoid folding and wrap as
2134 appropriate. Fold operands before possibly doing -Wsign-compare
2136 (build_compound_expr): Wrap result for C99 if operands can be used
2137 in integer constant expressions.
2138 (build_c_cast): Update call to digest_init. Do not ignore
2139 overflow from casting floating-point constants to integers. Wrap
2140 results that could be confused with integer constant expressions,
2141 null pointer constants or floating-point constants.
2142 (c_cast_expr): Update call to groktypename. Handle expressions
2143 included in type name.
2144 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2145 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2146 Update calls to convert_for_assignment.
2147 (convert_for_assignment): Take new parameter
2148 null_pointer_constant. Do not strip nops or call
2149 decl_constant_value_for_broken_optimization. Set
2150 in_late_binary_op for conversions to boolean.
2151 (store_init_value): Update call to digest_init.
2152 (digest_init): Take new parameter null_pointer_constant. Do not
2153 call decl_constant_value_for_broken_optimization. pedwarn for
2154 initializers not constant expressions. Update calls to
2155 convert_for_assignment.
2156 (constructor_nonconst): New.
2157 (struct constructor_stack): Add nonconst element.
2158 (really_start_incremental_init, push_init_level, pop_init_level):
2159 Handle constructor_nonconst and nonconst element.
2160 (set_init_index): Call constant_expression_warning for array
2162 (output_init_element): Fold value. Set constructor_nonconst as
2163 applicable. pedwarn for initializers not constant expressions.
2164 Update call to digest_init. Call constant_expression_warning
2165 where constant initializers are required.
2166 (process_init_element): Use c_save_expr.
2167 (c_finish_goto_ptr): Fold expression.
2168 (c_finish_return): Fold return value. Update call to
2169 convert_for_assignment.
2170 (c_start_case): Fold switch expression.
2171 (c_process_expr_stmt): Fold expression.
2172 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2173 ensure statement expression is not evaluated in constant expression.
2174 (build_binary_op): Track whether results are integer constant
2175 expressions or may occur in such, disable folding and wrap results
2176 as applicable. Fold operands for -Wsign-compare warnings unless
2178 (c_objc_common_truthvalue_conversion): Handle results folded to
2179 integer constants that are not integer constant expressions.
2180 * doc/extend.texi: Document when typeof operands are evaluated,
2181 that condition of __builtin_choose_expr is an integer constant
2182 expression, and more about use of __builtin_constant_p in
2185 2009-03-29 Richard Guenther <rguenther@suse.de>
2187 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2188 propagate addresses of array references.
2190 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2192 * regmove.c (perhaps_ends_bb_p): Remove.
2193 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2194 from INSN and check that the main loop stays within that basic block.
2195 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2196 (regmove_forward_pass): Split out from regmove_optimize. Use
2197 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2198 (regmove_backward_pass): Split out from regmove_optimize. Use
2199 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2200 (regmove_optimize): Simplify.
2202 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2205 * config/i386/i386.c (classify_argument): Ignore flexible array
2206 member in struct and warn ABI change.
2208 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2210 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2212 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2213 (ix86_adjust_cost): Updated.
2215 2009-03-29 Jan Hubicka <jh@suse.cz>
2218 * tree-pass.h (pass_cleanup_eh): New function.
2219 (remove_unreachable_regions): Break code handling RTL
2220 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2221 that can not be reached by runtime.
2222 (can_be_reached_by_runtime): New function.
2223 (label_to_region_map): New function.
2224 (num_eh_regions): New function.
2225 (rtl_remove_unreachable_regions): New function.
2226 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2227 (remove_eh_region): New function.
2228 * except.h: Include sbitmap and vecprim.
2229 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2230 num_eh_regions): Declare.
2231 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2232 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2233 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2234 (tree_empty_eh_handler_p): New function.
2235 (cleanup_empty_eh): New function.
2236 (cleanup_eh): New function.
2237 (pass_cleanup_eh): New function.
2239 2009-03-29 Jan Hubicka <jh@suse.cz>
2241 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2242 for removed regions.
2244 2009-03-29 Jan Hubicka <jh@suse.cz>
2246 * except.c (dump_eh_tree): Dump all datastructures.
2248 2009-03-29 Jan Hubicka <jh@suse.cz>
2250 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2251 (duplicate_eh_regions_1): Likewise.
2252 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2253 vector; call EH verification.
2254 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2255 Be ready for region being removed.
2257 2009-03-29 Jan Hubicka <jh@suse.cz>
2259 * bitmap.c (bitmap_last_set_bit): New function.
2260 * bitmap.h (bitmap_last_set_bit): Declare.
2262 2009-03-29 David Ayers <ayers@fsfe.org>
2265 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2266 by calling objc_compare_types and surpress warnings about
2267 incompatible C pointers that are compatible ObjC pointers.
2269 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2271 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2272 call initialize_inline_failed.
2273 (initialize_inline_failed): Move it from here ...
2274 * cgraph.c (initialize_inline_failed): ... to here.
2275 (cgraph_create_edge): Call initialize_inline_failed rather than
2276 setting inline_failed directly.
2278 2009-03-29 Ben Elliston <bje@au.ibm.com>
2281 * sysv4.opt (msdata): Improve comment.
2282 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2283 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2285 2009-03-29 Ben Elliston <bje@au.ibm.com>
2288 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2289 load and store attributes.
2291 2009-03-29 Ben Elliston <bje@au.ibm.com>
2293 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2294 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2295 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2296 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2297 __builtin_infq and __builtin_huge_valq.
2299 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2301 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2303 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2304 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2306 2009-03-28 Xinliang David Li <davidxl@google.com>
2308 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2309 (do_dbg_cnt): New function.
2311 2009-03-28 Jan Hubicka <jh@suse.cz>
2313 Merge from pretty-ipa:
2315 2009-03-27 Jan Hubicka <jh@suse.cz>
2317 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2318 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2319 * passes.c (function_called_by_processed_nodes_p): New.
2320 * ipa-pure-const.c (check_call): Fix handling of operands.
2321 (analyze_function): Dump debug output for skipped bodies.
2322 (local_pure_const): Use function_called_by_processed_nodes_p.
2323 * dwarf2out.c (reference_to_unused): Use output.
2324 * passes.c (do_per_function_toporder): Likewise.
2326 2008-11-12 Jan Hubicka <jh@suse.cz>
2328 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2329 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2330 state_set_in_source enum
2331 (check_decl): Ignore memory tags; do not set fake looping flags;
2333 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2334 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2335 (check_call, analyze_function): Rewrite.
2337 (add_new_function): Update call of analyze_function.
2338 (generate_summary): Add call of analyze_function.
2339 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2340 (local_pure_const): New function.
2341 (pass_local_pure_const): New pass.
2342 * ipa-inline.c (inline_transform): Set after_inlining.
2343 * tree-eh.c (stmt_can_throw_external): New.
2344 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2345 work with aliasing built.
2346 * tree-flow.h (stmt_can_throw_external): New.
2347 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2348 and local pure/const pass in early and late optimization queue.
2350 2009-03-28 Martin Jambor <mjambor@suse.cz>
2352 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2354 (fold_binary): Allow function decl aligment consideration is the
2355 second argument is integer constant one.
2356 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2357 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2358 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2360 2009-03-28 Jan Hubicka <jh@suse.cz>
2362 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2363 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2364 * function.h (rtl_data): Add nothrow flag.
2365 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2366 set DECL_NOTHROW for AVAILABLE functions.
2368 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2370 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2371 following vector keyword has expansion starting with pixel or bool
2372 keyword, expand vector to __vector and pixel or bool to __pixel or
2376 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2377 warn_if_disallowed_function_p): Removed.
2378 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2379 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2380 warning_if_disallowed_function_p.
2381 * flags.h (warn_if_disallowed_function_p,
2382 warn_disallowed_functions): Removed.
2383 * common.opt (Wdisallowed-function-list=): Removed.
2384 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2386 2009-03-28 Richard Guenther <rguenther@suse.de>
2388 PR tree-optimization/38723
2389 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2392 2009-03-28 Jan Hubicka <jh@suse.cz>
2394 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2395 test introduced by my previous patch.
2397 2009-03-28 Richard Guenther <rguenther@suse.de>
2399 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2400 the PHIs value undefined.
2402 2009-03-28 Jan Hubicka <jh@suse.cz>
2404 * tree-pass.h (pass_fixup_cfg): New pass.
2405 * ipa-inline.c (inline_transform): Set
2406 always_inline_functions_inlined/after_inlining.
2407 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2408 (pass_fixup_cfg): New pass.
2409 * passes.c (init_optimization_passes): Add fixup_cfg.
2411 2009-03-28 Richard Guenther <rguenther@suse.de>
2413 PR tree-optimization/38458
2414 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2415 argument use the arguments copy-of value.
2417 2009-03-28 Richard Guenther <rguenther@suse.de>
2419 PR tree-optimization/38180
2420 * tree-ssa-ccp.c (get_default_value): Simplify.
2421 (likely_value): Likewise.
2422 (surely_varying_stmt_p): Properly handle VOP case.
2423 (ccp_initialize): Likewise.
2424 (ccp_fold): Handle propagating through *&.
2425 (fold_const_aggregate_ref): Also handle decls.
2427 2009-03-28 Jan Hubicka <jh@suse.cz>
2429 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2430 * cgraph.h (cgraph_node): Likewise.
2431 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2432 (cgraph_reset_node): Use process flag.
2433 (cgraph_mark_functions_to_output): Likewise.
2434 (cgraph_expand_function): Likewise.
2435 (cgraph_expand_all_functions): Likewise.
2436 (cgraph_output_in_order): Likewise.
2437 * dwarf2out.c (reference_to_unused): Likewise.
2438 * passes.c do_per_function_toporder): Likewise.
2440 2009-03-28 Jan Hubicka <jh@suse.cz>
2442 Bring from lto-branch:
2444 2008-09-03 Doug Kwan <dougkwan@google.com>
2446 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2447 enums instead of reason strings.
2448 * cgraph.c (cgraph_create_edge): Same.
2449 (cgraph_inline_failed_string): New function.
2450 * cgraph.h (cgraph_inline_failed_t): New enum type.
2451 (cgraph_inline_failed_string): New prototype.
2452 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2453 char pointer to cgraph_inline_failed_t.
2454 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2455 (cgraph_default_inline_p): Ditto.
2456 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2457 to cgraph_inline_failed_t pointer.
2458 * cif-code.def: New file.
2459 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2461 (cgraph_check_inline_limits): Change type of REASON to pointer to
2462 cgraph_inline_failed_t. Replace reason strings with enums.
2463 (cgraph_default_inline_p): Ditto.
2464 (cgraph_recursive_inlining_p): Ditto.
2465 (update_caller_keys): Change type of FAILED_REASON to
2466 cgraph_inline_failed_t.
2467 (cgraph_set_inline_failed): Change type of REASON to pointer to
2468 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2469 convert enums to strings for text output.
2470 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2471 to be of type cgraph_inline_failed_t. Replace reason strings with
2472 enums. Call cgraph_inline_failed_string to covert enums
2473 to strings for text output.
2474 (cgraph_decide_inlining): Replace reason strings with enums.
2475 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2476 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2478 * tree-inline.c (expand_call_inline): Change type of REASON
2479 to cgraph_inline_failed_t. Replace reason strings with enums.
2480 Call cgraph_inline_failed_string for text output.
2481 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2484 2009-03-28 Jan Hubicka <jh@suse.cz>
2486 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2487 cgraph_clone_node): Remove master clone handling.
2488 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2489 * cgraph.h (master_clone): Remove.
2490 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2491 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2492 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2494 2009-03-28 Jan Hubicka <jh@suse.cz>
2496 * cgraph.c (cgraph_function_body_availability): Functions declared
2497 inline are always safe to assume that it is not going to be replaced.
2499 2009-03-28 Richard Guenther <rguenther@suse.de>
2501 PR tree-optimization/38513
2502 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2503 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2504 EXC_PTR_EXPR and FILTER_EXPR.
2505 (get_ref_from_reference_ops): Likewise.
2507 2009-03-28 Richard Guenther <rguenther@suse.de>
2509 PR tree-optimization/38968
2510 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2511 Use FLOOR_MOD_EXPR to compute misalignment.
2513 2009-03-28 Richard Guenther <rguenther@suse.de>
2515 PR tree-optimization/37795
2516 * tree.h (combine_comparisons): Declare.
2517 * fold-const.c (combine_comparisons): Export.
2518 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2520 (ifcombine_iforif): Use combine_comparisons.
2522 2009-03-28 Jan Hubicka <jh@suse.cz>
2524 * tree-eh.c (inlinable_call_p): New function.
2525 (make_eh_edges): Use it.
2526 (verify_eh_edges): Use it.
2527 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2528 * except.c (reachable_next_level): Add inlinable_function argument
2529 (sjlj_find_directly_reachable_regions): Update.
2530 (add_reachable_handler): Do not set saw_any_handlers.
2531 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2532 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2533 Add new inlinable call parameter.
2534 (can_throw_internal, can_throw_external): Update.
2535 * except.h (can_throw_internal_1, can_throw_external_1,
2536 foreach_reachable_handler): Update declaration.
2538 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2540 * config/arm/t-arm-coff, config/h8300/coff.h,
2541 config/i386/i386-aout.h, config/i386/i386-coff.h,
2542 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2543 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2544 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2545 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2546 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2547 sys-types.h: Remove.
2548 * Makefile.in: Remove protoize and fixproto support and references
2550 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2551 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2553 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2554 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2555 unprotoize$(exeext).
2556 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2557 (.PHONY): Don't depend on proto.
2558 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2559 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2560 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2561 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2562 build/gen-protos.o, build/scan.o, xsys-protos.h,
2563 build/fix-header$(build_exeext), build/fix-header.o,
2564 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2565 stmp-install-fixproto): Remove.
2566 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2567 SYSCALLS.c or fixproto files.
2568 (install-common): Don't install protoize.
2569 (install-headers-tar, install-headers-cpio, install-headers-cp):
2570 Don't depend on $(STMP_FIXPROTO).
2571 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2572 install fixproto files or write out fixproto settings.
2573 (uninstall): Don't uninstall protoize.
2574 * config.gcc (use_fixproto): Remove.
2575 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2576 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2577 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2578 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2579 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2580 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2581 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2582 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2583 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2584 * config/t-vxworks (STMP_FIXPROTO): Remove.
2585 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2586 STMP_FIXPROTO): Remove.
2587 * config.in, configure: Regenerate.
2588 * crtstuff.c (gid_t, uid_t): Don't undefine.
2589 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2590 (arm-*-coff, arm-*-aout: Remove target entries.
2591 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2592 Remove mention of AIX 4.1.
2593 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2594 * doc/invoke.texi (Running Protoize): Remove.
2595 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2596 (Protoize Caveats): Remove.
2597 * tsystem.h: Update comments on headers assumed to exist.
2599 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2601 * genautomata.c: Add a new year to the copyright. Add a new
2603 (struct insn_reserv_decl): Add comments for member bypass_list.
2604 (find_bypass): Remove.
2605 (insert_bypass): New.
2606 (process_decls): Use insert_bypass.
2607 (output_internal_insn_latency_func): Output all bypasses with the
2608 same input insn in one switch case.
2610 * rtl.def (define_bypass): Describe bypass choice.
2611 * doc/md.texi (define_bypass): Ditto.
2613 2009-03-27 Richard Guenther <rguenther@suse.de>
2615 * gimplify.c (mark_addressable): Export.
2616 * tree-flow.h (mark_addressable): Declare.
2617 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2618 * tree-ssa.c (verify_phi_args): Verify that address taken
2619 variables have TREE_ADDRESSABLE set.
2621 2009-03-27 Richard Guenther <rguenther@suse.de>
2623 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2624 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2625 Do not mark decls TREE_ADDRESSABLE.
2626 (build_fold_addr_expr): Adjust.
2627 (fold_addr_expr): Remove.
2628 (fold_unary): Use build_fold_addr_expr.
2629 (fold_comparison): Likewise.
2630 (split_address_to_core_and_offset): Likewise.
2631 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2633 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2634 (gimplify_modify_expr_to_memcpy): Mark source and destination
2636 * omp-low.c (create_omp_child_function): Mark the object decl
2638 (lower_rec_input_clauses): Mark the var we take the address of
2640 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2642 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2645 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2646 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2648 2009-03-27 Richard Guenther <rguenther@suse.de>
2650 PR tree-optimization/39120
2651 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2653 (handle_lhs_call): Process return constraints. Add escape
2654 constraints if necessary.
2655 (handle_const_call): Fill out return constraints. Make nested
2656 case more precise. Avoid consttmp if possible.
2657 (handle_pure_call): Fill out return constraints. Avoid
2658 callused if possible.
2659 (find_func_aliases): Simplify call handling.
2661 2009-03-27 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/39120
2664 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2665 as a representative.
2666 (solve_graph): Do propagate CALLUSED.
2667 (handle_pure_call): Use a scalar constraint from CALLUSED for
2669 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2672 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2675 * c-common.c (handle_aligned_attribute): Properly check alignment
2676 overflow. Use (1U << i) instead of (1 << i).
2678 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2680 * expr.h (get_mem_align_offset): Updated.
2682 * tree.h (tree_decl_common): Change align to "unsigned int" and
2683 move it before pointer_alias_set.
2685 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2686 Jakub Jelinek <jakub@redhat.com>
2689 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2690 gr_register_operand with gr_reg_or_0_operand.
2691 (cmpxchg_rel_di): Likewise.
2692 (sync_lock_test_and_set<mode>): Likewise.
2694 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2696 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2697 (true_regnum): Likewise.
2699 * rtlanal.c (subreg_info): Moved to ...
2700 * rtl.h (subreg_info): Here. New.
2701 (subreg_get_info): New.
2703 * rtlanal.c (subreg_get_info): Make it extern.
2705 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2708 * config/i386/i386.c (ix86_abi): New.
2709 (override_options): Handle -mabi=.
2710 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2711 (ix86_call_abi_override): Likewise.
2712 (init_cumulative_args): Likewise.
2713 (function_arg_advance): Likewise.
2714 (function_arg_64): Likewise.
2715 (function_arg): Likewise.
2716 (ix86_pass_by_reference): Likewise.
2717 (ix86_function_value_regno_p): Likewise.
2718 (ix86_build_builtin_va_list_abi): Likewise.
2719 (setup_incoming_varargs_64): Likewise.
2720 (is_va_list_char_pointer): Likewise.
2721 (ix86_init_machine_status): Likewise.
2722 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2723 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2724 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2725 (ix86_function_abi): Make it static and return enum calling_abi.
2726 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2728 (ix86_fn_abi_va_list): Updated.
2730 * config/i386/i386.h (ix86_abi): New.
2731 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2732 (CONDITIONAL_REGISTER_USAGE): Likewise.
2733 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2734 (machine_function): Likewise.
2736 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2738 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2739 (STACK_BOUNDARY): Likewise.
2740 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2742 * config/i386/i386.opt (mabi=): New.
2744 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2745 return enum calling_abi.
2746 (ix86_function_type_abi): Likewise.
2747 (ix86_function_abi): Removed.
2749 * doc/invoke.texi: Document -mabi= option for x86.
2751 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * builtins.c (real_dconstp): Delete.
2754 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2756 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2757 Jakub Jelinek <jakub@redhat.com>
2760 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2761 (gen_subprogram_die): When a function is explicit, generate the
2762 DW_AT_explicit attribute.
2763 * langhooks.h (struct lang_hooks_for_decls): Add
2764 function_decl_explicit_p langhook.
2765 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2766 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2768 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2770 * builtins.c (fold_builtin_memory_op): Optimize memmove
2771 into memcpy if we can prove source and destination don't overlap.
2773 * tree-inline.c: Include gt-tree-inline.h.
2774 (clone_fn_id_num): New variable.
2775 (clone_function_name): New function.
2776 (tree_function_versioning): Use it.
2777 * Makefile.in (GTFILES): Add tree-inline.c.
2779 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2781 * BASE-VER: Change to 4.5.0.
2783 2009-03-27 Xinliang David Li <davidxl@google.com>
2785 PR tree-optimization/39557
2786 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2788 2009-03-27 Xinliang David Li <davidxl@google.com>
2790 PR tree-optimization/39548
2791 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2794 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2796 * c-common.c (pointer_int_sum): Use %wd on return from
2799 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2801 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2802 on return from tree_low_cst.
2804 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2807 * ginclude/stdarg.h (va_copy): Define also for
2808 __GXX_EXPERIMENTAL_CXX0X__.
2810 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2813 * builtins.h (c_strlen): Do not warn here.
2814 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2815 * c-common.c (pointer_int_sum): Take an explicit location.
2816 Warn about offsets out of bounds.
2817 * c-common.h (pointer_int_sum): Adjust declaration.
2819 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2821 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2824 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2827 * opts.c (warn_if_disallowed_function_p): Don't assume
2828 get_callee_fndecl must return non-NULL.
2830 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2832 PR rtl-optimization/39522
2833 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2834 when reg_reloaded_valid is set.
2836 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2838 * config/spu/divv2df3.c: New file.
2839 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2840 (DPBIT_FUNCS): Filter out _div_df.
2842 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2844 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2845 a jump insn, count that jump in the distance to the loop start.
2847 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2850 * config/sh/sh.c (calc_live_regs): Fix condition for global
2851 registers except PIC_OFFSET_TABLE_REGNUM.
2853 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2856 * doc/invoke.texi (-mconsole): New.
2860 (-mnop-fun-dllimport): New.
2864 (sub section "i386 and x86-64 Windows Options"): New.
2866 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2868 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2869 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2871 2009-03-25 Richard Guenther <rguenther@suse.de>
2874 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2877 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2879 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2880 neither of haifa/selective schedulers are working.
2882 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2884 * doc/invoke.texi (Debugging Options): Fix description of
2885 -fno-merge-debug-strings.
2887 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2889 * config/cris/libgcc.ver: New version-script.
2890 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2892 * configure.ac <GAS features, nop mnemonic>: Add pattern
2893 crisv32-*-* for "nop".
2894 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2895 * configure: Regenerate.
2897 2009-03-24 Ira Rosen <irar@il.ibm.com>
2899 PR tree-optimization/39529
2900 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2901 mark_sym_for_renaming for the tag copied to the new vector
2904 2009-03-24 Arthur Loiret <aloiret@debian.org>
2906 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2907 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2908 EXTRA_SPEC_FUNCTIONS.
2909 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2910 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2911 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2912 -march and -mtune options.
2914 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2916 * config/m68k/t-rtems: Add m5329 multilib.
2918 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2919 Jakub Jelinek <jakub@redhat.com>
2922 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2925 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2928 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2929 instead of c_parser_expression_conv, if original_code isn't one of the
2930 4 allowed comparison codes, fail.
2932 2009-03-23 Richard Guenther <rguenther@suse.de>
2934 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2935 * tree.h (struct tree_type): Likewise.
2936 * reload.h (struct insn_chain): Likewise.
2937 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2938 * function.h (struct function): Likewise.
2939 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2941 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2943 PR tree-optimization/39516
2944 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2946 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2948 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2949 should be set true if BITS_PER_WORD of target is bigger than 32
2951 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2953 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2954 Translate -B-options to -rpath-link. Correct existing
2955 rpath-link and conditionalize on !nostdlib.
2957 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2959 * doc/extend.texi (Function Attributes, Variable Attributes):
2961 * doc/invoke.texi (Debugging Options, Optimize Options)
2962 (i386 and x86-64 Options, MCore Options): Likewise.
2964 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2967 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2968 it for block local namespace aliases.
2969 (gen_decl_die): Pass context_die to gen_namespace_die.
2971 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2974 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2975 minimum or maximum value.
2977 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2979 * reginfo.c (globalize_reg): Recompute derived reg sets.
2981 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2984 * libgcc2.c (mprotect): Do not use signed arguments for
2985 VirtualProtect, use DWORD arguments. Also fix the 'may
2986 be used uninitialized' warning for the np variable.
2988 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2991 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2992 functions using regparm calling conventions when not optimizing.
2993 (ix86_function_sseregparm): Similarly for sseregparm calling
2996 2009-03-19 Li Feng <nemokingdom@gmail.com>
2999 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3000 dependence if the first conflict is after niter iterations.
3002 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3005 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3006 functions with dynamic stack-pointer adjustments.
3008 2009-03-19 Ben Elliston <bje@au.ibm.com>
3010 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3011 option; change to -msdata=data.
3013 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3015 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3018 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3021 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3023 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3025 * doc/invoke.texi (Code Gen Options): Expand discussion of
3028 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3030 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3031 * matrix-reorg.c (struct matrix_info): Likewise.
3032 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3033 * rtl.h (struct mem_attrs): Likewise.
3034 * df.h (struct df): Likewise.
3035 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3036 * ira-int.h (struct ira_allocno): Likewise.
3037 * df-scan.c (struct df_collection_rec): Likewise.
3038 * ira.c (struct equivalence): Likewise.
3039 * function.c (struct temp_slot): Likewise.
3040 * cfgloop.h (struct loop): Likewise.
3043 * function.c (use_register_for_decl): When not optimizing, disregard
3044 register keyword for variables with types containing methods.
3046 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3049 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3050 (is_simple_operand): Call contains_component_ref_p before calling data
3051 reference analysis that would fail on COMPONENT_REFs.
3053 * tree-vrp.c (search_for_addr_array): Fix formatting.
3055 2009-03-18 Richard Guenther <rguenther@suse.de>
3057 * tree-vect-transform.c (vect_loop_versioning): Fold the
3058 generated comparisons.
3059 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3060 (slpeel_tree_peel_loop_to_edge): Likewise.
3062 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3065 * opts.c (print_specific_help): In addition to `undocumented',
3066 accept `separate' and `joined' flags if passed alone. Describe
3067 output by the first matched one of those.
3068 (common_handle_option): Skip over empty strings.
3069 * gcc.c (display_help): Fix help string for `--help='.
3070 * doc/invoke.texi (Option Summary, Overall Options): With
3071 `--help=', classes and qualifiers can both be repeated, but
3072 only the latter can be negated. One should not pass only
3073 negated qualifiers. Fix markup and examples.
3076 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3078 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3079 and -fhelp=separate.
3081 2009-03-17 Jing Yu <jingyu@google.com>
3084 * function.h (struct rtl_data): Move is_thunk from here...
3085 (struct function): ...to here.
3086 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3087 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3089 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3091 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3092 (alpha_output_function_end_prologue): Likewise.
3093 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3094 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3095 (rs6000_output_function_epilogue): Likewise.
3096 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3098 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3101 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3102 from different units in a single alternative.
3103 (*truncdfsf_i387): Ditto.
3104 (*truncxfsf2_mixed): Ditto.
3105 (*truncxfdf2_mixed): Ditto.
3107 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3109 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3110 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3113 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3114 unused non-artificial variables when not optimizing.
3117 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3118 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3119 NAMESPACE_DECL in its DECL_INITIAL.
3122 * optabs.c (set_user_assembler_libfunc): New function.
3123 * expr.h (set_user_assembler_libfunc): New prototype.
3124 * c-common.c: Include libfuncs.h.
3125 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3126 for memcmp, memset, memcpy, memmove and abort.
3127 * Makefile.in (c-common.o): Depend on libfuncs.h.
3130 * dwarf2out.c (gen_inlined_enumeration_type_die,
3131 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3132 gen_tagged_type_instantiation_die): Removed.
3133 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3136 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3139 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3141 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3142 (check-parallel-%): Ditto.
3143 (check-consistency): Ditto.
3145 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3147 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3148 local variable rhs by NULL_TREE.
3150 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3153 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3155 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3158 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3160 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3163 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3164 for ms->sysv ABI calls only in 64bit mode.
3166 * config/i386/i386.md (untyped_call): Support 32bit.
3168 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3170 * doc/extend.texi: Replace x86_65 with x86_64.
3172 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3174 PR tree-optimization/39455
3175 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3176 mismatches for POINTER_TYPE_P (type).
3177 (number_of_iterations_le): Likewise.
3179 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3181 * config/picochip/picochip.c: Removed profiling support.
3182 * config/picochip/picochip.md: Removed profiling instruction.
3183 * config/picochip/picochip.h: Removed profiling builtin.
3185 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3187 * doc/install.texi (--with-host-libstdcxx): Document.
3189 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3192 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3193 generate a warning if the function name does not begin with
3194 "__vector" and the function has either the 'signal' or 'interrupt'
3195 attribute, from here to ...
3196 (avr_declare_function_name): ...here. New function.
3197 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3198 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3200 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3203 * cse.c (fold_rtx): Don't modify original const_arg1 when
3204 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3205 separate variable instead.
3206 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3207 from out of range shift counts.
3208 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3210 2008-03-13 Catherine Moore <clm@codesourcery.com>
3212 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3213 diagnostic.h with $(DIAGNOSTIC_H).
3215 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3218 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3220 * config/i386/sync.md (sync_compare_and_swap<mode>,
3221 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3222 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3224 (sync_double_compare_and_swapdi_pic,
3225 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3226 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3228 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3231 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3233 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3236 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3237 (avx_addsubv4df3): Likewise.
3238 (*avx_addsubv4sf3): Likewise.
3239 (sse3_addsubv4sf3): Likewise.
3241 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3244 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3246 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3249 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3250 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3251 registers for allocnos created from user-defined variables.
3253 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3256 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3257 of non-integer mode as well.
3259 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3261 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3262 for functions for which the parameter types are unknown.
3264 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3267 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3268 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3269 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3270 * config/i386/i386.c (ix86_local_alignment): For
3271 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3272 long long variables on the stack to avoid dynamic realignment.
3273 Allow the first argument to be a decl rather than type.
3274 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3276 2009-03-11 Nick Clifton <nickc@redhat.com>
3279 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3281 Add description to mno-lsim option.
3282 * config/mcore/mcore.h: Remove comment about deprecated m4align
3284 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3285 * doc/invoke.texi: Add description of mno-lsim and
3286 mstack-increment options.
3288 * config/fr30/fr30.opt: Document the -mno-lsim option.
3289 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3290 and -mno-lsim options.
3292 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3294 * fold-const.c (fold_comparison): Only call fold_inf_compare
3295 if the mode supports infinities.
3297 2009-03-11 Jason Merrill <jason@redhat.com>
3300 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3301 end already did. Notice GIMPLE_CALL modifications of the result.
3302 Don't copy debug information from an ignored decl or a decl from
3305 2009-03-10 Richard Guenther <rguenther@suse.de>
3306 Nathan Froyd <froydnj@codesourcery.com>
3309 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3310 (__divMODE3): Likewise.
3312 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3314 PR tree-optimization/39394
3315 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3316 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3318 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3320 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3321 inline asms for register asm ("") declarations.
3323 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3325 * fold-const.c (fold_unary): Fix comment.
3327 2009-03-07 Jan Hubicka <jh@suse.cz>
3330 * tree-inline.c (setup_one_parameter): Do replacement of const
3331 argument by constant in SSA form.
3333 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3336 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3337 determine alignment passed to assign_stack_local.
3338 (assign_parms_unsplit_complex): Likewise.
3339 * except.c (sjlj_build_landing_pads): Likewise.
3341 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3344 * tree-flow.h (add_referenced_var): Return bool instead of void.
3345 * tree-dfa.c (add_referenced_var): Return result of
3346 referenced_var_check_and_insert call.
3347 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3348 of referenced_var_check_and_insert.
3351 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3352 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3353 DIE, don't emit it if abstract origin already has it.
3354 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3355 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3357 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3359 * genpreds.c (needs_variable): Fix parentheses at variable name
3361 (write_tm_constrs_h): Indent generated code.
3363 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3365 * doc/extend.texi (Function Attributes): Add documentation
3368 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3371 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3372 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3374 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3376 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3379 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3382 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3383 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3385 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3387 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3388 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3389 constants instead of magic numbers.
3390 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3392 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3393 (x86_64_ms_abi_int_parameter_registers): Ditto.
3394 (x86_64_int_return_registers): Ditto.
3395 (ix86_maybe_switch_abi): Ditto.
3396 (ix86_expand_call): Ditto for clobbered_registers array.
3397 (ix86_hard_regno_mode_ok): Ditto.
3398 (x86_extended_QIreg_mentioned_p): Ditto.
3400 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3402 PR tree-optimization/39349
3403 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3405 * combine.c (gen_lowpart_for_combine): Use omode when generating
3408 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3410 PR rtl-optimization/39235
3411 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3413 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3415 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3417 2009-03-04 Richard Guenther <rguenther@suse.de>
3419 PR tree-optimization/39362
3420 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3421 that occur in abnormal PHIs should be varying.
3423 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3425 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3427 (simple_iv): Take loop as an argument instead of statement.
3428 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3429 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3431 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3433 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3434 * matrix-reorg.c (analyze_transpose): Ditto.
3435 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3436 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3437 * tree-predcom.c (ref_at_iteration): Ditto.
3438 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3440 2009-03-04 Richard Guenther <rguenther@suse.de>
3442 PR tree-optimization/39358
3443 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3444 escaped_id and callused_id.
3445 (solve_graph): Likewise.
3447 2009-03-04 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/39339
3450 * tree-sra.c (try_instantiate_multiple_fields): Make it
3451 no longer ICE on the above.
3453 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3455 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3456 that fits within Pmode.
3458 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3461 * tm.texi (LIBCALL_VALUE): Update description.
3463 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3466 * doc/extend.texi (section): Update description.
3468 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3471 * tree-inline.c (remapped_type): New.
3472 (can_be_nonlocal): Call remapped_type instead of remap_type.
3474 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3477 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3478 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3480 2009-03-03 Richard Guenther <rguenther@suse.de>
3483 * tree.c (tree_nonartificial_location): New function.
3484 * tree.h (tree_nonartificial_location): Declare.
3485 * builtins.c (expand_builtin_memory_chk): Provide location
3486 of the call location for artificial function pieces.
3487 (maybe_emit_chk_warning): Likewise.
3488 (maybe_emit_sprintf_chk_warning): Likewise.
3489 (maybe_emit_free_warning): Likewise.
3490 * expr.c (expand_expr_real_1): Likewise.
3492 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3494 PR tree-optimization/39343
3495 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3496 COMPONENT_REF t has ARRAY_TYPE.
3498 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3501 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3502 when the type precision of the induction variable should be
3503 larger than the type precision of nit.
3504 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3505 * graphite.c (graphite_loop_normal_form): Same.
3506 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3508 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3510 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3511 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3512 numbers to describe clobbered registers.
3513 (*call_value_0_rex64_ms_sysv): Ditto.
3514 * config/i386/mmx.md (mmx_emms): Ditto.
3517 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3519 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3522 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3524 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3525 (spu_section_type_flags): New function.
3527 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3529 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3530 reg_class_contents of FLOAT_REGS into a temporary.
3532 2009-03-02 Richard Guenther <rguenther@suse.de>
3533 Ira Rosen <irar@il.ibm.com>
3535 PR tree-optimization/39318
3536 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3537 information to the vectorized statement.
3539 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3541 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3542 variable. Use defined names instead of magic constants for REX SSE
3545 2009-03-01 Richard Guenther <rguenther@suse.de>
3547 PR tree-optimization/39331
3548 * omp-low.c (lower_send_shared_vars): Do not receive new
3549 values for the reference of DECL_BY_REFERENCE parms or results.
3551 2009-03-01 Jan Hubicka <jh@suse.cz>
3554 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3555 BLOCK_NONLOCALIZED_VAR): New macros.
3556 (tree_block): Add nonlocalized_vars.
3557 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3558 gen_decl_die): Add origin argument. Allow generation of die with
3559 origin at hand only.
3560 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3561 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3563 (gen_block_die): Fix checking for unused blocks.
3564 (process_scope_var): Break out from .... ; work with origins only.
3565 (decls_for_scope) ... here; process nonlocalized list.
3566 (dwarf2out_ignore_block): Look for nonlocalized vars.
3567 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3569 (dump_scope_block): Dump them.
3570 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3571 (remap_block): Likewise.
3572 (can_be_nonlocal): New predicate.
3573 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3575 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3577 * configure: Regenerate.
3579 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3581 * optc-gen.awk: No need to duplicate option flags twice.
3582 Reuse help texts for duplicate options which do not have any.
3584 * gcc.c (display_help): Document --version.
3586 * gcc.c (main): If print_help_list and verbose_flag, ensure
3587 driver output comes before subprocess output.
3589 * optc-gen.awk: Assign all remaining fields to help string,
3590 space-separated, for multi-line help in *.opt.
3592 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3593 -Wno-pedantic-ms-format is for MinGW targets only.
3595 * doc/options.texi (Option file format): Fix bad indentation,
3596 restoring dropped sentence.
3598 2009-02-28 Jan Hubicka <jh@suse.cz>
3600 * tree-inline.c (tree_function_versioning): Output debug info.
3602 2009-02-28 Jan Hubicka <jh@suse.cz>
3605 * tree-inline.c (setup_one_parameter): Do not copy propagate
3606 arguments when not optimizing.
3608 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3611 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3612 (avx_addsubv4df3): Likewise.
3613 (*avx_addsubv4sf3): Likewise.
3614 (sse3_addsubv4sf3): Likewise.
3615 (*avx_addsubv2df3): Likewise.
3616 (sse3_addsubv2df3): Likewise.
3617 (avx_unpckhps256): Correct item selectors.
3618 (avx_unpcklps256): Likewise.
3619 (avx_unpckhpd256): Likewise.
3620 (avx_unpcklpd256): Likewise.
3622 2009-02-28 Jan Hubicka <jh@suse.cz>
3624 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3626 (copy_arguments_for_versioning): If var is declared don't declare it.
3627 (tree_function_versioning): First setup substitutions and then copy
3630 2009-02-27 Jan Hubicka <jh@suse.cz>
3633 * cgraph.h (varpool_output_debug_info): Remove.
3634 * cgraphunit.c (varpool_output_debug_info): Remove.
3635 * dwarf2out.c (deferred_locations_struct): New struct
3636 (deferred_locations): New type.
3637 (deferred_locations_list): New static var.
3638 (deffer_location): New function.
3639 (gen_variable_die): Use it.
3640 (decls_for_scope): Output info on local static vars.
3641 (dwarf2out_finish): Process deferred locations.
3642 * varpool.c (varpool_output_debug_info): Remove.
3644 2009-02-27 Jan Hubicka <jh@suse.cz>
3647 * tree.h (TREE_PROTECTED): Fix comment.
3648 (BLOCK_HANDLER_BLOCK): Remove.
3649 (struct tree_block): Remove handler_block add body_block.
3650 (inlined_function_outer_scope_p): New.
3651 (is_body_block): Remove.
3652 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3653 * dwarf2out.c (is_inlined_entry_point): Remove.
3654 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3655 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3657 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3658 * gimplify.c (gimplify_expr): Gimplify body blocks.
3659 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3660 block with multiple subblocks.
3661 (dump_scope_block): Prettier output; dump more flags and info.
3662 (dump_scope_blocks): New.
3663 (remove_unused_locals): Use dump_scope_blocks.
3664 * tree-flow.h (dump_scope_blocks): Declare.
3665 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3666 * stmt.c (is_body_block): Remove.
3667 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3668 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3670 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3673 * graphite.c (graphite_loop_normal_form): Do not call
3674 number_of_iterations_exit from a gcc_assert.
3676 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3678 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3679 jumps if COND is NULL.
3680 (find_cond_jump): New function.
3681 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3682 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3684 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3686 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3687 force_const_mem returns NULL_RTX.
3689 2009-02-26 Jan Hubicka <jh@suse.cz>
3692 * cgraph.h (varpool_output_debug_info): Remove.
3693 * cgraphunit.c (varpool_output_debug_info): Remove.
3694 * dwarf2out.c (deferred_locations_struct): New struct
3695 (deferred_locations): New type.
3696 (deferred_locations_list): New static var.
3697 (deffer_location): New function.
3698 (gen_variable_die): Use it.
3699 (decls_for_scope): Output info on local static vars.
3700 (dwarf2out_finish): Process deferred locations.
3701 * varpool.c (varpool_output_debug_info): Remove.
3703 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3705 PR rtl-optimization/39241
3706 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3707 to subreg_offset_representable_p.
3709 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3711 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3712 execute function prototype. Get f and nregs from max_reg_num
3713 and get_insns. Remove the first backward pass as it's dead,
3714 guard the forward pass by flag_expensive_optimizations.
3715 (rest_of_handle_regmove): Delete.
3716 (pass_regmove): Replace it with regmove_optimize.
3718 2009-02-25 Martin Jambor <mjambor@suse.cz>
3720 PR tree-optimization/39259
3721 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3722 calls_alloca function flags.
3723 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3726 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3728 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3729 flags_set_1_rtx, flags_set_1_set): Delete.
3730 (regmove_optimize): Do not call mark_flags_life_zones.
3732 2009-02-24 Julian Brown <julian@codesourcery.com>
3735 * config/arm/arm.c (require_pic_register): Only set
3736 cfun->machine->pic_reg once per function.
3738 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3740 * doc/invoke.texi (Link Options): Document an easier way to pass
3741 options that take arguments to the GNU linker using -Xlinker and -Wl.
3743 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3746 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3748 2009-02-24 Richard Guenther <rguenther@suse.de>
3751 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3753 2009-02-24 Richard Guenther <rguenther@suse.de>
3754 Zdenek Dvorak <ook@ucw.cz>
3756 PR tree-optimization/39233
3757 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3758 from converting them to a generic type.
3760 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3762 PR tree-optimization/39260
3763 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3764 contains a condition with a real type.
3765 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3767 2009-02-23 Jason Merrill <jason@redhat.com>
3770 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3771 narrowing_initializer_constant_valid_p.
3772 (narrowing_initializer_constant_valid_p): Don't return
3773 null_pointer_node for adding a pointer to itself.
3775 2009-02-23 Jan Hubicka <jh@suse.cz>
3778 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3781 2009-02-23 Jan Hubicka <jh@suse.cz>
3783 PR tree-optimization/37709
3784 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3785 * tree.h (block_ultimate_origin): Declare.
3786 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3787 * tree-ssa-live.c (remove_unused_scope_block_p):
3788 Eliminate blocks containig no instructions nor live variables nor
3790 (dump_scope_block): New function.
3791 (remove_unused_locals): Enable removal of dead blocks by default;
3792 enable dumping at TDF_DETAILS.
3794 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3796 * config/i386/i386.c (classify_argument): Don't allow COImode
3798 (function_arg_advance_32): Don't allow OImode.
3799 (function_arg_32): Likewise.
3800 (function_value_32): Likewise.
3801 (return_in_memory_32): Likewise.
3802 (function_arg_64): Remove OImode comment.
3804 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3807 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3808 ix86_expand_vector_set for V4DImode in 64bit mode only.
3809 (ix86_expand_vector_init_one_var): Likewise.
3811 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3813 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3815 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3818 * loop-iv.c: Revert last change.
3819 * emit-rtl.c: Likewise.
3821 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3824 * config/i386/i386.c (type_natural_mode): Remove an extra
3825 space in the warning message.
3826 (function_value_32): Handle 32-byte vector modes.
3827 (return_in_memory_32): Likewise.
3829 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3831 * loop-iv.c (truncate_value): New function.
3832 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3834 (lowpart_subreg): Move to...
3835 * emit-rtl.c: ...here.
3837 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3839 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3840 accidental and undocumented change at revision 140860.
3842 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3844 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3845 take gimple_seq * arguments.
3846 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3847 types_compatible_p langhook.
3849 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3850 Joseph Myers <joseph@codesourcery.com>
3852 * config/arm/arm.c (arm_builtin_va_list): New function.
3853 (arm_expand_builtin_va_start): Likewise.
3854 (arm_gimplify_va_arg_expr): Likewise.
3855 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3856 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3857 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3858 (va_list_type): New variable.
3859 (arm_mangle_type): Mangle va_list_type appropriately.
3861 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3864 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3865 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3866 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3867 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3868 parameter to 1000 for -O1 by default.
3869 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3871 * loop-invariant.c: Include params.h.
3872 (move_loop_invariants): Don't call move_single_loop_invariants on
3875 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3877 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3878 offset when calculating bounds for indexing stack_usage_map. Fixes
3879 a buffer overflow with certain target setups.
3881 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3884 * calls.c (expand_call): Clear try_tail_call if caller and callee
3885 disagree in promotion of function return value.
3887 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3890 * c-common.c (c_determine_visibility): If visibility changed and
3891 DECL_RTL has been already set, call make_decl_rtl to update symbol
3894 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3897 * varasm.c (assemble_variable): Don't check DECL_NAME when
3898 globalizing a variable.
3900 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3903 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3904 expression before any __builtin_trap call.
3905 * c-typeck.c (build_function_call): Convert and check function
3906 arguments before generating a call to a trap. Evaluate the
3907 function arguments before the trap.
3909 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3912 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3913 (UNSPEC_FXAM_MEM): New unspec.
3914 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3915 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3916 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3918 2009-02-19 Richard Guenther <rguenther@suse.de>
3920 PR tree-optimization/39207
3921 PR tree-optimization/39074
3922 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3923 storedanything_tree): New.
3924 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3925 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3926 (build_succ_graph): Add edges from STOREDANYTHING to all
3928 (init_base_vars): Initialize STOREDANYTHING.
3929 (compute_points_to_sets): Free substitution info after
3930 building the succ graph.
3931 (ipa_pta_execute): Likewise.
3933 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3935 (do_ds_constraint): Do not add to special var or non-pointer
3937 (type_could_have_pointers): Split out from ...
3938 (could_have_pointers): ... here. For arrays use the element type.
3939 (create_variable_info_for): Initialize may_have_pointers.
3940 (new_var_info): Likewise.
3941 (handle_lhs_call): Make the HEAP variable unknown-sized.
3942 (intra_create_variable_infos): Use a type with pointers for
3943 PARM_NOALIAS, make it unknown-sized.
3945 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3948 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3950 2009-02-18 Jason Merrill <jason@redhat.com>
3953 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3954 value if DECL_EXTERNAL.
3955 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3956 * target.h (gcc_target::binds_local_p): Clarify "module".
3957 * tree.h (TREE_PUBLIC): Clarify "module".
3959 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3962 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3963 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3965 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3968 * c.opt (Wabi): Support C and ObjC.
3971 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3973 * config/i386/i386.c (classify_argument): Warn once about the ABI
3974 change when passing union with long double.
3976 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3978 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3981 * c-parser.c (c_parser_compound_statement): Always enter and leave
3984 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3987 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3989 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3991 PR tree-optimization/36922
3992 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3993 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3996 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3998 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4001 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4003 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4005 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4007 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4010 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4011 Richard Sandiford <rdsandiford@googlemail.com>
4013 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4014 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4015 (loongson_biadd): ...this.
4017 2009-02-17 Richard Guenther <rguenther@suse.de>
4019 PR tree-optimization/39202
4020 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4021 a var make sure to follow existing collapses.
4023 2009-02-17 Richard Guenther <rguenther@suse.de>
4026 * langhooks.c (lhd_print_error_function): Check for NULL block.
4028 2009-02-17 Richard Guenther <rguenther@suse.de>
4030 PR tree-optimization/39204
4031 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4034 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4036 * config/soft-fp/double.h: Update from glibc CVS.
4038 2009-02-17 Richard Guenther <rguenther@suse.de>
4040 PR tree-optimization/39207
4041 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4042 strict-aliasing warnings for pointers pointing to NULL.
4044 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4047 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4048 skipping until next close brace.
4050 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4053 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4054 to function argument boundary.
4056 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4058 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4059 in the lea_add. Reload eventually constraints it properly.
4060 * config/picochip/constraints.md : Remove the target constraint
4061 "b", since it is not needed anymore.
4063 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4065 * gthr-dce.h: Uglify function parameter and local variable names.
4066 * gthr-gnat.h: Likewise.
4067 * gthr-mipssde.h: Likewise.
4068 * gthr-nks.h: Likewise.
4069 * gthr-posix95.h: Likewise.
4070 * gthr-posix.h: Likewise.
4071 * gthr-rtems.h: Likewise.
4072 * gthr-single.h: Likewise.
4073 * gthr-solaris.h: Likewise.
4074 * gthr-tpf.h: Likewise.
4075 * gthr-vxworks.h: Likewise.
4076 * gthr-win32.h: Likewise.
4078 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4081 * config/i386/i386.md: Restrict the new peephole2 to move
4082 between MMX/SSE registers.
4084 2009-02-15 Richard Guenther <rguenther@suse.de>
4087 2009-02-13 Richard Guenther <rguenther@suse.de>
4089 * configure.ac: Enable LFS.
4090 * configure: Re-generate.
4091 * config.in: Likewise.
4093 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4095 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4096 spu_srqwbyte, spu_srqwbytebc): Define.
4097 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4098 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4099 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4100 "shrqby_<mode>"): New insn-and-split patterns.
4101 * config/spu/spu.c (expand_builtin_args): Determine and return
4102 number of operands using spu_builtin_description data.
4103 (spu_expand_builtin_1): Use it.
4105 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4108 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4111 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4114 * config/i386/i386.c (override_options): Correct warning
4115 messages for -malign-loops, -malign-jumps and -malign-functions.
4117 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4120 * config/i386/i386.md: Restrict the new peephole2 to move
4121 between the general purpose registers.
4123 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4126 * config/i386/i386.c (type_natural_mode): Add a new argument.
4127 Return the original mode and warn ABI change if vector size is 32byte.
4128 (function_arg_advance): Updated.
4129 (function_arg): Likewise.
4130 (ix86_function_value): Likewise.
4131 (ix86_return_in_memory): Likewise.
4132 (ix86_sol10_return_in_memory): Likewise.
4133 (ix86_gimplify_va_arg): Likewise.
4134 (function_arg_32): Don't warn ABX ABI change here.
4135 (function_arg_64): Likewise.
4137 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4139 * loop-iv.c (implies_p): In the final case, test that operands 0
4140 of the two comparisons match.
4142 * config/bfin/bfin.c (find_prev_insn_start): New function.
4143 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4144 (find_next_insn_start): Move.
4146 2009-02-13 Richard Guenther <rguenther@suse.de>
4148 * configure.ac: Enable LFS.
4149 * configure: Re-generate.
4150 * config.in: Likewise.
4152 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4155 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4156 sizes on syntax error after some arguments have been parsed.
4158 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4160 * doc/invoke.texi (-fira): Remove.
4162 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4164 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4165 * recog.c: Likewise.
4168 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4170 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4171 (umul_ppmm): Likewise.
4172 (count_leading_zeros): Likewise.
4173 (count_trailing_zeros): Likewise.
4174 (UMUL_TIME): Likewise.
4176 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4178 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4179 soft-fp/t-softfp to tmake_file.
4181 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4182 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4183 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4184 IA64_BUILTIN_INFQ]: New.
4185 (ia64_init_builtins): Initialize __builtin_infq,
4186 __builtin_fabsq and __builtin_copysignq if not HPUX.
4187 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4188 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4190 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4192 (__fixtfti): Likewise.
4193 (__fixunstfti): Likewise.
4194 (__floattitf): Likewise.
4196 * config/ia64/libgcc-glibc.ver: New.
4197 * config/ia64/t-fprules-softfp: Likewise.
4198 * config/ia64/sfp-machine.h: Likewise.
4200 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4201 (LIBGCC2_TF_CEXT): Likewise.
4202 (TF_SIZE): Likewise.
4203 (TARGET_INIT_LIBFUNCS): Likewise.
4205 * config/ia64/t-glibc (SHLINB_MAPFILES):
4206 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4208 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4210 * config/i386/i386.c (construct_container): Rewrite processing
4211 BLKmode with X86_64_SSE_CLASS.
4213 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4216 * config/i386/i386.md: Replace simplify_replace_rtx with
4217 replace_rtx in the new peephole2.
4219 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4221 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4222 loop unrolling do not happen at -O2.
4224 2009-02-12 Michael Matz <matz@suse.de>
4226 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4228 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4230 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4233 2009-02-12 Ben Elliston <bje@au.ibm.com>
4235 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4236 patterns when updating the back chain. Missed in the 2009-02-10
4239 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4241 * doc/extend.texi (Decimal Floating Types): Update identifier of
4242 draft TR and list of missing support.
4244 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4247 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4248 bit to variable length decl's flags, add it also to its
4249 pointer replacement variable.
4251 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4252 Jakub Jelinek <jakub@redhat.com>
4255 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4256 (memory_blockage): New expander.
4257 (*memory_blockage): New insn pattern.
4258 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4259 instead of general blockage at the end of function prologue when
4260 frame pointer is used to access red zone area. Do not emit blockage
4261 when profiling, it is emitted in generic code.
4262 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4263 function epilogue when frame pointer is used to access red zone area.
4265 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4268 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4269 by arithmetic with memory operands.
4270 * config/i386/predicates.md (commutative_operator): New.
4272 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4274 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4277 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4279 * alias.h (record_alias_subset): Declare.
4280 * alias.c (record_alias_subset): Make global.
4282 2009-02-10 Nick Clifton <nickc@redhat.com>
4284 * tree-parloops.c: Change license to GPLv3.
4285 * ipa-struct-reorg.c: Change license to GPLv3.
4286 * ipa-struct-reorg.h: Change license to GPLv3.
4288 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4291 * c-decl.c (start_struct): Return NULL on error.
4293 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4296 * cfgloopmanip.c (remove_path): Call remove_bbs after
4297 cancel_loop_tree, not before it.
4300 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4301 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4302 VAR_DECLs were seen.
4303 * tree-ssa-live.c (remove_unused_locals): Recompute
4304 cfun->has_local_explicit_reg_vars.
4305 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4306 copies or clearings if cfun->has_local_explicit_reg_vars.
4308 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4311 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4312 of function prologue when frame pointer is used to access
4315 2009-02-10 Richard Guenther <rguenther@suse.de>
4318 * gimplify.c (gimple_regimplify_operands): Always look if
4319 we need to create a temporary.
4321 2009-02-10 Richard Guenther <rguenther@suse.de>
4323 PR tree-optimization/39132
4324 * tree-loop-distribution.c (todo): New global var.
4325 (generate_memset_zero): Trigger TODO_rebuild_alias.
4326 (tree_loop_distribution): Return todo.
4328 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4331 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4332 (x86_64_reg_class_name): Removed.
4333 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4334 first one isn't X86_64_SSE_CLASS or any other ones aren't
4335 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4336 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4337 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4338 and 3 X86_64_SSEUP_CLASS.
4339 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4340 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4342 2009-02-10 Ben Elliston <bje@au.ibm.com>
4344 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4345 form instruction to update the stack back chain word, even if the
4346 user has disabled the generation of update instructions.
4347 (movdi_<mode>_update_stack): New.
4348 (movsi_update_stack): Likewise.
4349 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4350 always use an update form instruction to update the stack back
4353 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4356 * graphite.c (if_region_set_false_region): After moving a region in
4357 the false branch of a condition, remove the empty dummy basic block.
4358 (gloog): Remove wrong fix for PR38953.
4360 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4362 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4363 generation due to implicit sign extension.
4365 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4368 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4369 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4371 2009-02-09 Richard Guenther <rguenther@suse.de>
4374 * convert.c (convert_to_real): Disable (float)fn((double)x)
4375 to fnf(x) conversion if errno differences may occur and
4376 -fmath-errno is set.
4378 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4380 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4381 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4382 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4384 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4387 * c-common.c (handle_alias_attribute): Disallow attribute for
4388 anything not a FUNCTION_DECL or VAR_DECL.
4390 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4393 * real.c (do_compare): Special-case compare of zero against
4394 decimal float value.
4396 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4399 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4400 as indicating flexible array members unless the field itself is
4401 being declarared as the incomplete array.
4403 2009-02-06 Jan Hubicka <jh@suse.cz>
4405 PR tree-optimization/38844
4406 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4409 2009-02-06 Richard Guenther <rguenther@suse.de>
4412 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4413 fork because we may expand it as __gcov_fork.
4415 2009-02-06 Nick Clifton <nickc@redhat.com>
4417 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4419 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4421 PR tree-optimization/35659
4422 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4423 vn_phi_eq): Shortcut if hashcode does not match.
4424 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4426 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4427 and avoid iterative_hash_expr.
4428 (FOR_EACH_VALUE_ID_IN_SET): New.
4429 (value_id_compare): Remove.
4430 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4431 sort expressions by value id.
4433 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4436 * config/sh/predicates.md (general_movsrc_operand): Don't check
4437 the subreg of system registers here.
4439 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4442 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4445 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4447 PR rtl-optimization/39110
4448 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4449 addresses, not aligned ones.
4451 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4452 Richard Guenther <rguenther@suse.de>
4454 PR tree-optimization/39100
4455 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4456 comment says and add edges.
4458 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4461 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4462 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4464 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4466 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4467 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4468 register_bb_in_sese, new_sese, free_sese): Moved.
4469 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4470 outermost_loop_in_scop, build_scop_iteration_domain,
4471 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4472 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4473 Use loop_in_sese_p instead of loop_in_scop_p.
4474 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4475 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4476 (scopdet_basic_block_info): Fix bug in scop detection.
4477 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4478 eq_loop_to_cloog_loop): Remove.
4479 (nb_loops_around_loop_in_scop, nb_loop
4480 ref_nb_loops): Moved here...
4481 * graphite.h (ref_nb_loops): ... from here.
4482 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4483 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4484 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4485 * testsuite/gcc.dg/graphite/scop-19.c: New
4487 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4488 Hans-Peter Nilsson <hp@axis.com>
4490 PR rtl-optimization/37889
4491 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4492 Move offset handling from PLUS to before the switch. Use new
4493 arguments when considering SYMBOL_REFs too.
4494 (rtx_addr_can_trap_p): Pass dummy offset and size.
4495 (enum may_trap_p_flags): Remove.
4496 (may_trap_p_1): Pass size from MEM_SIZE.
4498 PR rtl-optimization/38921
4499 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4500 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4501 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4502 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4504 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4506 AVX Programming Reference (January, 2009)
4507 * config/i386/sse.md (*vpclmulqdq): New.
4509 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4511 PR tree-optimization/38977
4512 PR gcov-profile/38292
4513 * calls.c (special_function_p): Disregard __builtin_ prefix.
4515 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4517 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4518 non-indexable addresses even before reload.
4520 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4523 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4524 as having variable size. Do not give an error for unnamed
4525 parameters with [*] declarators. Give a warning for type names
4526 with [*] declarators and mark them as variable size.
4527 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4528 for sizeof applied to [*] type names.
4530 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4533 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4535 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4537 * gcc.c (process_command): Update copyright notice dates.
4538 * gcov.c (print_version): Likewise.
4539 * gcov-dump.c (print_version): Likewise.
4540 * mips-tfile.c (main): Likewise.
4541 * mips-tdump.c (main): Likewise.
4543 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4546 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4547 for composite type involving a zero-length array type.
4549 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4552 * function.c (match_asm_constraints_1): Skip over
4553 initial optional % in the constraint.
4556 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4557 supported, don't accept FIXED_CSTs.
4558 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4559 and _Sat is used without _Fract/_Accum. Set specs->type to
4560 integer_type_node for cts_fract/cts_accum if fixed point is not
4563 2009-02-02 Catherine Moore <clm@codesourcery.com>
4565 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4567 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4569 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4570 (ABI_HAS_64BIT_SYMBOLS): Use it.
4571 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4573 2009-02-02 Paul Brook <paul@codesourcery.com>
4575 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4577 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4580 * recog.h (asm_operand_ok): Add constraints argument.
4581 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4582 recurse on matching constraint.
4583 (check_asm_operands): Pass constraints as 3rd argument to
4584 asm_operand_ok. Don't look up matching constraint here.
4585 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4588 2009-02-02 Ben Elliston <bje@au.ibm.com>
4590 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4591 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4593 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4595 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4596 information. Remove some obsolete information. Reorganize.
4598 * config/pa/fptr.c: Revert license to GPL 2.
4599 * config/pa/milli64.S: Likewise.
4601 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4604 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4605 LIBRARY name in, instead of hard-coding it.
4606 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4607 extra target make frag to tmake_files according to EH model.
4608 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4609 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4610 frags that define makefile variable EH_MODEL appropriately.
4611 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4612 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4613 to "-sjlj" according to type of EH configured.
4614 (LIBGCC_SONAME): Concatenate it to shared library base name.
4615 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4616 to "_sjlj" according to type of EH configured.
4617 (LIBGCC_SONAME): Concatenate it to shared library base name.
4618 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4619 (SHLIB_LINK): Add missing semicolon to if-else construct.
4620 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4621 string value of "pe_dll" command-line option.
4622 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4623 (SHLIB_SONAME): Use it when overriding t-cygming default.
4624 (SHLIB_IMPLIB): Override t-cygming default.
4625 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4626 string value of "pe_dll" command-line option.
4628 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4631 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4632 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4634 2009-01-31 Richard Guenther <rguenther@suse.de>
4636 PR tree-optimization/38937
4637 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4638 computing the transitive closure.
4640 2009-01-30 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/39041
4643 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4644 Propagate variable indices only if the types match for this stmt.
4646 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4649 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4650 inline but never defined.
4652 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4654 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4655 (*insv_h_di_reg_extimm): New insn.
4656 (*insv_l<mode>_reg_extimm): New insn.
4658 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4660 * config/picochip/picochip.c (flag_conserve_stack): set
4661 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4662 fconserve-stack. Reduce call-overhead used by inliner.
4664 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4667 * common.opt (flag_conserve_stack): Initialised to zero.
4669 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4672 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4673 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4676 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4678 * ira-color.c (allocno_reload_assign): Update comments.
4679 * regmove.c (regmove_optimize): Likewise.
4683 2009-01-29 Robert Millan <rmh@aybabtu.com>
4685 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4686 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4687 `MD_UNWIND_SUPPORT'.
4688 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4690 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4692 PR tree-optimization/39007
4693 * tree-loop-distribution.c (generate_builtin): Use
4694 recompute_dominator to compute the immediate dominator of the
4695 basic block just after the loop.
4697 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4699 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4700 (ASM_OUTPUT_DWARF_PCREL): Define.
4702 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4704 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4705 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4706 global. Modify entries about regmove and IRA.
4708 * ra-conflict.c: Remove the file.
4710 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4712 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4713 (pass_regclass_init): Rename to pass_reginfo_init.
4715 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4717 * toplev.h (flag_ira): Remove.
4719 * caller-save.c (setup_save_areas): Remove flag_ira.
4721 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4723 * global.c: Remove the file.
4725 * opts.c (decode_options): Remove flag_ira.
4727 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4729 * regmove.c: Modify file description.
4730 (find_use_as_address, try_auto_increment): Define them only if
4731 AUTO_INC_DEC is defined.
4732 (replacement_quality, replace_in_call_usage, fixup_match_1,
4733 stable_and_no_regs_but_for_p): Remove.
4734 (reg_set_in_bb): Make it static.
4735 (regmove_optimize): Remove flag_ira and code which worked for
4738 * local-alloc.c: Remove the file.
4740 * common.opt (fira): Remove.
4742 * ira.c: Include except.h.
4743 (eliminable_regset): Move from global.c.
4744 (mark_elimination): Ditto. Remove flag_ira.
4745 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4746 equiv_mem_modified, validate_equiv_mem_from_store,
4747 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4748 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4749 no_equiv, recorded_label_ref): Move from local-alloc.c.
4750 (update_equiv_regs): Ditto. Make it static.
4751 (print_insn_chain, print_insn_chains): Move it from global.c.
4752 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4753 (build_insn_chain): Ditto. Make it static.
4754 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4755 Rename to init_live_subregs.
4756 (gate_ira): Remove flag_ira.
4758 * regclass.c: Rename reginfo.c. Change file description.
4759 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4760 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4761 (init_reg_sets_1): Remove code for evaluation of
4762 reg_class_superclasses and losing_caller_save_reg_set.
4763 (init_regs): Remove init_reg_autoinc.
4764 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4765 ok_for_base_p_nonstrict): Remove.
4766 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4767 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4768 corresponding entries.
4769 (dump_regclass, record_operand_costs, scan_one_insn,
4770 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4771 record_address_regs, auto_inc_dec_reg_p): Remove.
4772 (gt-regclass.h): Rename to gt-reginfo.h.
4774 * rtl.h (dump_global_regs, retry_global_alloc,
4775 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4777 * Makefile.in (RA_H): Remove.
4778 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4779 Rename regclass.o to reginfo.o.
4780 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4782 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4783 (GTFILES): Rename regclass.c to reginfo.c.
4785 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4786 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4788 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4789 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4791 (finish_spills): Ditto. Remove code for !flag_ira.
4793 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4796 * doc/invoke.texi (rtl debug options): Complete rewrite.
4797 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4799 * mode-switching.c (pass_mode_switching): Rename pass from
4800 "mode-sw" to "mode_sw".
4801 * except.c (pass_convert_to_eh_ranges): Rename pass from
4802 "eh-ranges" to "eh_ranges".
4803 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4807 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4808 Alexander Monakov <amonakov@ispras.ru>
4811 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4813 (move_exprs_to_boundary): Change return type and pass through
4814 should_move from move_op. Relax assert. Update usage ...
4815 (schedule_expr_on_boundary): ... here. Use should_move instead of
4817 (move_op_orig_expr_found): Indicate that insn was disconnected from
4819 (code_motion_process_successors): Do not call after_merge_succs
4820 callback if original expression was not found when traversing any of
4822 (code_motion_path_driver): Change return type. Update prototype.
4823 (move_op): Update comment. Add a new parameter (should_move). Update
4824 prototype. Set *should_move based on indication provided by
4825 move_op_orig_expr_found.
4827 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4829 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4830 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4831 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4832 * config/rs6000/rs6000.c (rs6000_override_options): Default
4833 avoid-indexed-addresses on for Power6, off for everything else.
4834 (avoiding_indexed_address_p): New function.
4835 (rs6000_legitimize_address): Use it.
4836 (rs6000_legitimate_address): Likewise.
4837 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4839 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4841 PR tree-optimization/38997
4842 * tree-loop-distribution.c (generate_memset_zero): Use
4843 POINTER_PLUS_EXPR for a pointer addition.
4845 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4847 * config/s390/s390.md (bswap<mode>2): New pattern added.
4849 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4851 * config/s390/s390.md (*tls_load_31): Added type attribute.
4853 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4855 * config/s390/s390.md: Fix a few comments.
4857 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4859 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4860 (*tm<mode>_full): Fixed z10prop attribute.
4861 (*tst<mode>_extimm): Fixed z10prop attribute.
4862 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4863 (*tstqiCCT_cconly): Fixed z10prop attribute.
4864 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4865 (*movsi_larl): Fixed z10prop attribute.
4866 (*movsi_zarch): Fixed z10prop attribute.
4867 (*movsi_eas): Fixed z10prop attribute.
4868 (*movhi): Fixed z10prop attribute.
4869 (*movqi): Fixed z10prop attribute.
4870 (*movstrictqi): Fixed z10prop attribute.
4871 (*mov<mode>): Fixed z10prop attribute.
4872 (*movcc): Fixed z10prop attribute.
4873 (*sethighpartdi_64): Fixed z10prop attribute.
4874 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4875 (*negdi2_sign_cc): Fixed z10prop attribute.
4876 (*negdi2_sign): Fixed z10prop attribute.
4877 (*absdi2_sign_cc): Fixed z10prop attribute.
4878 (*absdi2_sign): Fixed z10prop attribute.
4879 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4880 (*negabsdi2_sign): Fixed z10prop attribute.
4881 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4882 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4883 (doloop_si64): Fixed z10prop attribute.
4884 (doloop_si31): Fixed z10prop attribute.
4885 (doloop_long): Fixed z10prop attribute.
4886 (indirect_jump): Fixed z10prop attribute.
4887 (nop): Fixed z10prop attribute.
4888 (main_base_64): Fixed z10prop attribute.
4889 (reload_base_64): Fixed z10prop attribute.
4891 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4893 PR rtl-optimization/38740
4894 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4896 * config/mips/mips.c (mips_reorg): Likewise.
4898 2009-01-28 Richard Guenther <rguenther@suse.de>
4900 PR tree-optimization/38926
4901 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4902 with the correct value id to a value.
4903 (do_regular_insertion): Use the value number of edoubleprime
4904 for the value number of the expr.
4907 2008-08-21 Richard Guenther <rguenther@suse.de>
4909 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4910 a PHI ask VN if it is already available.
4911 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4912 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4914 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4917 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4918 set to varying whenever max has TREE_OVERFLOW set, similarly
4919 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4921 2009-01-28 Richard Guenther <rguenther@suse.de>
4924 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4925 uninitialized aggregate uses in call arguments.
4927 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4929 PR tree-optimization/38984
4930 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4931 the nothing_id variable if -fno-delete-null-pointer-checks.
4933 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4936 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4937 (set_got_offset_rex64): Ditto.
4939 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4942 * doc/extend.texi: Improve local variable with asm reg.
4944 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4946 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4947 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4948 was not supplied then set warn_packed_bitfield_compat to the
4950 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4953 2009-01-27 Richard Guenther <rguenther@suse.de>
4955 PR tree-optimization/38503
4956 * cfgexpand.c (expand_gimple_basic_block): Ignore
4957 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4958 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4959 variables that cannot have TBAA applied.
4960 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4963 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4966 * calls.c (initialize_argument_information): Do not wrap complex
4967 arguments in SAVE_EXPR.
4969 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4971 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4972 (INSTALL_LIBGCC): Revert typo commit.
4974 2009-01-26 Richard Guenther <rguenther@suse.de>
4976 PR tree-optimization/38745
4977 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4978 from special handling.
4980 2009-01-26 Richard Guenther <rguenther@suse.de>
4982 PR tree-optimization/38745
4983 * tree-ssa.c (execute_update_addresses_taken): Do not include
4984 variables that cannot possibly be a register in not_reg_needs.
4985 Do not clear TREE_ADDRESSABLE on vars that may not become
4987 * tree-ssa.c (update_alias_info_1): Include those in the set
4988 of addressable vars.
4990 2009-01-26 Richard Guenther <rguenther@suse.de>
4993 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4994 * tree-ssa-dse.c: Include langhooks.h
4995 (execute_simple_dse): Remove stores with zero size.
4997 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5000 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5003 2009-01-24 Julian Brown <julian@codesourcery.com>
5005 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5006 config/arm/linux-atomic.c.
5007 * config/arm/linux-atomic.c: New.
5009 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5011 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5012 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5013 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5015 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5018 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5021 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5023 PR tree-optimization/38953
5024 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5025 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5026 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5027 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5030 2009-01-24 Paul Brook <paul@codesourcery.com>
5032 * config/arm/neon.md (neon_type): Move to arm.md.
5033 (neon_mov<VSTRUCT>): Add neon_type attribute.
5034 * config/arm/arm.md (neon_type): Move to here.
5035 (conds): Add "unconditioal" and use as default for NEON insns.
5037 2009-01-24 Ben Elliston <bje@au.ibm.com>
5039 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5040 void *' warning from -Wc++-compat.
5041 * Makefile.in (dominance.o-warn): Remove.
5043 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5045 PR tree-optimization/38932
5046 * fold-const.c (fold_unary_ignore_overflow): New.
5047 * tree.h (fold_unary_ignore_overflow): Declare.
5048 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5049 * tree-ssa-sccvn.c (visit_reference_op_load,
5050 simplify_unary_expression): Likewise.
5052 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5054 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5055 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5056 regardless of their type.
5057 * c-common.c (handle_packed_attribute): Don't ignore packed on
5059 * c.opt (Wpacked-bitfield-compat): New warning option.
5060 * stor-layout.c (place_field): Warn if offset of a field changed.
5061 * doc/extend.texi (packed): Mention the ABI change.
5062 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5063 (Warning Options): Add it to the list.
5065 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5067 * c-opts.c (c_common_post_options): Fix a typo in comments.
5069 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5072 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5073 variables to static.
5074 * doc/invoke.texi (-fmerge-all-constants): Update description.
5076 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5079 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5080 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5082 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5084 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5086 (LOCAL_ALIGNMENT): Similarly.
5088 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5089 Joseph Myers <joseph@codesourcery.com>
5091 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5092 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5093 * config/arm/arm-tune.md: Regenerate.
5094 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5097 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5099 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5100 version number to five.
5102 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5105 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5106 * c-common.c (set_underlying_type): Likewise.
5107 (is_typedef_decl ): Likewise
5109 (set_underlying_type): Likewise.
5110 (is_typedef_type): Likewise.
5112 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5115 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5118 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5121 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5122 (LIBGCC_SPEC): Don't define.
5123 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5125 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5127 PR rtl-optimization/38879
5128 * alias.c (base_alias_check): Unaligned access via AND address can
5129 alias all surrounding object types except those with sizes equal
5130 or wider than the size of unaligned access.
5132 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5135 * c-decl.c (clone_underlying_type): Move this ...
5136 * c-common.c (set_underlying_type): ... here.
5137 Also, make sure the function properly sets TYPE_STUB_DECL() on
5138 the newly created typedef variant type.
5139 (is_typedef_decl ): New entry point.
5140 * tree.h: Added a new member member_types_needing_access_check to
5141 struct tree_decl_non_common.
5142 (set_underlying_type): New entry point.
5143 (is_typedef_type): Likewise.
5145 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5147 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5148 Check whether two instructions have memory references that
5149 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5150 are helper functions for traversing.
5151 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5152 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5153 not to draw dependency edge for instructions with non-conflicting
5156 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5159 * longlong.h: Update copyright years. Use soft-fp license notice.
5160 Sync __clz_tab declaration with glibc.
5162 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5165 * doc/extend.texi (syscall_linkage): New.
5166 (version_id): Modify.
5168 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5169 Richard Guenther <rguenther@suse.de>
5171 PR tree-optimization/38747
5172 PR tree-optimization/38748
5173 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5174 conversion if the base address is an indirect reference and the
5175 aliasing sets could cause issues.
5177 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5179 * common.opt (fgraphite, fgraphite-identity): Add comment for
5180 explaining why these options are not documented.
5182 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5184 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5185 gimple_call_lhs is NULL.
5187 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5190 * emit-rtl.c (adjust_address_1): Make sure memref is never
5193 2009-01-20 Ben Elliston <bje@au.ibm.com>
5195 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5196 const qualifier from arg parameter. Remove unnecessary cast to char *.
5197 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5198 const qualifier from arg 2.
5200 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5202 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5204 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5207 * rtl.h (reinit_regs): New prototype.
5208 * regclass.c: Include ira.h.
5210 * Makefile.in (regclass.o): Add ira.h.
5211 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5213 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5216 * c-common.c (handle_aligned_attribute): Use
5217 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5218 default alignment value.
5220 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5222 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5223 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5225 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5226 __BIGGEST_ALIGNMENT__.
5228 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5230 2009-01-18 Richard Guenther <rguenther@suse.de>
5232 PR tree-optimization/38819
5233 * tree-flow.h (operation_could_trap_helper_p): Declare.
5234 * tree-eh.c (operation_could_trap_helper_p): Export.
5235 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5236 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5237 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5238 are about to insert a possibly trapping instruction and fail
5241 2009-01-18 Andreas Schwab <schwab@suse.de>
5243 * doc/install.texi (Configuration): Remove obsolete paragraph
5244 about use of --with-gnu-ld with --with-gnu-as.
5246 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5248 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5249 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5250 Follow spelling conventions.
5252 2009-01-18 Ben Elliston <bje@au.ibm.com>
5254 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5255 C++ warning about implicit conversion from void * to struct
5257 (bitmap_obstack_free): Likewise for bitmap_element *.
5258 * Makefile.in (bitmap.o-warn): Remove.
5260 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5262 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5264 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5265 Tobias Grosser <tobi.grosser@amd.com>
5267 * graphite.c (graphite_trans_scop_block): Do not block single
5270 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5272 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5273 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5274 test with assertion.
5276 2009-01-16 Richard Guenther <rguenther@suse.de>
5278 PR tree-optimization/38835
5280 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5281 and INT + PTR -> (INT)(PTR p+ INT) folding.
5282 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5284 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5287 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5288 the subreg from a lowpart subreg if it is also casting the value.
5290 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5291 Tobias Grosser <tobi.grosser@amd.com>
5293 * graphite.c (compare_prefix_loops): New.
5294 (build_scop_canonical_schedules): Rewritten.
5295 (graphite_transform_loops): Move build_scop_canonical_schedules
5296 after build_scop_iteration_domain.
5298 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5299 Tobias Grosser <tobi.grosser@amd.com>
5301 * graphite.c (add_conditions_to_domain): Add the loops to
5302 the dimension of the iteration domain. Do copy the domain
5303 only when it exists.
5304 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5305 (add_conditions_to_constraints): New.
5306 (can_generate_code_stmt, can_generate_code): Removed.
5307 (gloog): Do not call can_generate_code.
5308 (graphite_transform_loops): Call add_conditions_to_constraints
5309 after building the iteration domain.
5311 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5313 PR tree-optimization/38789
5314 * tree-ssa-threadedge.c
5315 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5316 __builtin_constant_p.
5318 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5320 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5321 examined before deleting them.
5323 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5325 * function.c (aggregate_value_p): Correctly extract the function
5326 type from CALL_EXPR_FN lookup.
5328 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5330 * config/picochip/picochip.c (picochip_override_options): Revert
5331 CFI asm flag disable commited previously.
5333 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5334 Tobias Grosser <tobi.grosser@amd.com>
5335 Jan Sjodin <jan.sjodin@amd.com>
5337 * graphite.c (scan_tree_for_params): On substractions negate
5338 all the coefficients of the term.
5339 (clast_to_gcc_expression_red): New. Handle reduction expressions
5340 of more than two operands.
5341 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5342 (get_vdef_before_scop): Handle also the case of default definitions.
5344 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5346 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5347 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5348 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5350 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5351 Joey Ye <joey.ye@intel.com>
5354 * cfgexpand.c (expand_stack_alignment): Don't update stack
5355 boundary nor check incoming stack boundary here.
5356 (gimple_expand_cfg): Update stack boundary and check incoming
5357 stack boundary here.
5359 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5361 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5363 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5365 PR rtl-optimization/38245
5366 * calls.c (expand_call): Add stack arguments to
5367 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5368 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5369 in regs and partially in memory or BLKmode arguments.
5370 (emit_library_call_value_1): Add stack arguments to
5371 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5372 ACCUMULATE_OUTGOING_ARGS).
5373 * dce.c: Include tm_p.h.
5374 (find_call_stack_args): New function.
5375 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5377 (mark_insn): Call find_call_stack_args for CALL_Ps.
5378 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5379 forwards. Allocate and free arg_stores bitmap if needed, pass it
5380 down to deletable_insn_p, don't mark stores set in arg_stores
5381 bitmap, clear the bitmap at the beginning of each bb.
5382 * Makefile.in (dce.o): Depend on $(TM_P_H).
5384 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5387 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5388 to make sure the insn is a conditional test (bug 22599). Reformat a
5391 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5394 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5395 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5396 (gloog): Do not call cleanup_tree_cfg.
5397 (graphite_transform_loops): Call cleanup_tree_cfg after all
5398 scops have been code generated.
5400 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5401 * doc/gty.texi (Invoking the garbage collector): Added new node
5402 and section documenting ggc_collect.
5404 2009-01-14 Richard Guenther <rguenther@suse.de>
5406 PR tree-optimization/38826
5408 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5409 initialization notes only if we actually emitted a warning.
5410 (intra_create_variable_infos): Add constraints for a result decl
5411 that is passed by hidden reference.
5412 (build_pred_graph): Mark all related variables non-direct on
5415 2009-01-14 Nick Clifton <nickc@redhat.com>
5417 * ira-conflicts.c: Include addresses.h for the definition of
5419 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5420 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5422 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5425 * Makefile.in (ira-lives.o): Add except.h.
5427 * ira-lives.c: Include except.h.
5428 (process_bb_node_lives): Process can_throw_internal.
5430 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5432 PR rtl-optimization/38774
5433 * combine.c (simplify_set): When undoing cc_use change, don't do
5434 PUT_CODE on the newly created comparison, but instead put back the
5437 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5439 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5440 values. Remove duplicate arm8 entry.
5442 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5444 PR tree-optimization/38786
5445 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5446 the SSA_NAME case of expand_scalar_variables_expr.
5447 Set the type of an expression to the type of its assign statement.
5448 (expand_scalar_variables_expr): Also gather the scalar computation
5449 used to index the memory access. Do not pass loop_p.
5450 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5451 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5452 the gimple_stmt_iterator where it inserts new code.
5454 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5455 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5457 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5459 * graphite.h (debug_value): Removed.
5460 * graphite.c (debug_value): Removed.
5462 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5464 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5465 ldrd/strd with two 32-bit instructions.
5467 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5469 * config/arm/arm.c (struct processors): Pass for speed down into
5470 cost helper functions.
5471 (const_ok_for_op): Handle COMPARE and inequality nodes.
5472 (arm_rtx_costs_1): Rewrite.
5473 (arm_size_rtx_costs): Update prototype.
5474 (arm_rtx_costs): Pass speed down to helper functions.
5475 (arm_slowmul_rtx_costs): Rework cost calculations.
5476 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5477 (arm_9e_rtx_costs): Likewise.
5479 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5481 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5482 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5483 (alpha_legitimize_address): Do not split local symbols wider than
5484 UNITS_PER_WORD into HIGH/LO_SUM parts.
5486 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5489 * gcc.c (process_command): Replace call to execvp with calls
5490 to pex_one and exit.
5492 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5495 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5496 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5497 variant for devices with 3-byte PC.
5498 (__tablejump_elpm__): New.
5500 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5503 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5504 offsetof member-designator, handle it as `[0].'.
5506 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5508 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5509 function when not using named sections on targets with named sections
5510 if branch distance is less than 262132.
5512 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5514 * combine.c (combine_instructions): Recompute
5515 optimize_this_for_speed_p for each BB in the main combine loop.
5517 2009-01-12 Tomas Bily <tbily@suse.cz>
5520 * tree-loop-distribution.c (prop_phis): New function.
5521 (generate_builtin): Call prop_phis.
5522 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5524 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5526 PR tree-optimization/38807
5527 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5528 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5530 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5532 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5533 subreg of op0 to the original op0.
5535 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5537 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5539 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5542 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5543 starting with digits.
5545 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5548 * config/arm/arm.c (arm_is_long_call_p): Don't call
5549 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5551 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5553 * regrename.c (regrename_optimize): Fix dumping.
5554 (find_oldest_value_reg): Preserve REG_POINTER.
5555 (copy_hardreg_forward_1): Likewise.
5557 2009-01-09 Diego Novillo <dnovillo@google.com>
5559 * gimple.h (struct gimple_statement_base) <uid>: Document
5560 the restrictions on its use.
5562 (gimple_set_uid): Tidy.
5564 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5566 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5567 zero guard even if align_bytes != 0 and count is smaller than
5570 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5572 PR rtl-optimization/38495
5573 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5574 (add_range_and_copies_from_move_list): Print all added ranges.
5575 Add ranges to memory optimized destination.
5577 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5581 * config/i386/i386.c (override_options): Reject
5582 -mstringop-strategy=rep_8byte with -m32.
5583 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5584 to 1. Do count comparison against epilogue_size_needed at compile
5585 time even when count_exp was constant forced into register. For
5586 size_needed don't jump to epilogue, instead just avoid aligning
5587 and invoke the body algorithm. If need_zero_guard, add zero guard
5588 even if count is non-zero, but smaller than size_needed + number of
5589 bytes that could be stored for alignment.
5590 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5591 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5592 but smaller than size_needed + number of bytes that could be stored
5593 for alignment. Compare size_needed with epilogue_size_needed instead
5594 of desired_align - align, don't adjust size_needed, pass
5595 epilogue_size_needed to the epilogue expanders.
5598 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5600 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5602 * pa.c (last_address): Change to unsigned.
5603 (update_total_code_bytes): Change argument to unsigned. Don't
5604 check if insn addresses are set.
5605 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5606 addresses are not set.
5607 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5609 2009-01-09 Nick Clifton <nickc@redhat.com>
5611 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5612 DECL_DECLARED_INLINE_P.
5614 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5617 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5618 GET_MODE (op0) in operand_subword_force calls.
5621 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5622 fold_convert arg0 operands to TREE_TYPE (op0) first.
5624 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5626 * params.def (ira-max-conflict-table-size): Decrease default value
5629 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5631 PR tree-optimization/37031
5632 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5634 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5635 allocate it using gc instead of heap, use VEC_quick_push instead of
5637 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5638 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5639 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5640 allocated vector from heap allocated.
5641 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5642 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5643 vector only after perfect_loop_nest_depth call.
5645 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5646 Jan Sjodin <jan.sjodin@amd.com>
5648 PR tree-optimization/38559
5649 * graphite.c (debug_value, copy_constraint,
5650 swap_constraint_variables, scale_constraint_variable, ): New.
5651 (get_lower_bound, get_upper_bound): Removed.
5652 (graphite_trans_bb_strip_mine): Clean up this code that works
5653 only for constant number of iterations. Fully copy upper and
5654 lower bound constraints, not only the constant part of them.
5655 * graphite.h (debug_value): Declared.
5657 2009-01-08 Ira Rosen <irar@il.ibm.com>
5659 PR tree-optimization/37194
5660 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5661 Don't add the cost of cost model guard in prologue to scalar
5662 outside cost in case of known number of iterations.
5664 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5665 Alan Modra <amodra@bigpond.net.au>
5667 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5668 non-word-aligned REG+CONST addressing.
5670 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5673 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5674 free_after_compilation when outputting a thunk.
5675 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5676 Do not call free_after_compilation here.
5678 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5680 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5681 (ix86_valid_target_attribute_inner_p): Ditto.
5683 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5685 PR tree-optimization/38492
5686 PR tree-optimization/38498
5687 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5688 * tree-chrec.h (scev_is_linear_expression): Declared.
5689 * graphite.c (graphite_cannot_represent_loop_niter): New.
5690 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5691 (graphite_loop_normal_form): Use gcc_assert.
5692 (scan_tree_for_params): Use CASE_CONVERT.
5693 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5694 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5695 Use gcc_assert. Discard scops that contain unhandled cases.
5696 (build_scop_conditions): Return a boolean status for unhandled cases.
5697 (strip_mine_profitable_p): Print the loop number, not its depth.
5698 (is_interchange_valid): Pass the depth of the loop nest, don't
5699 recompute it wrongly.
5700 (graphite_trans_bb_block): Same.
5701 (graphite_trans_bb_block): Print tentative of loop blocking.
5702 (graphite_trans_scop_block): Do not print that the loop has been
5704 (graphite_transform_loops): Do not handle scops that contain condition
5707 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5709 AVX Programming Reference (December, 2008)
5710 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5711 (_mm256_stream_pd): Likewise.
5712 (_mm256_stream_ps): Likewise.
5714 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5715 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5716 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5717 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5718 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5719 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5720 (ix86_expand_special_args_builtin): Likewise.
5722 * config/i386/sse.md (AVXMODEDI): New.
5723 (avx_movnt<mode>): Likewise.
5724 (avx_movnt<mode>): Likewise.
5725 (<sse>_movnt<mode>): Remove AVX support.
5726 (sse2_movntv2di): Likewise.
5728 2009-01-07 Richard Guenther <rguenther@suse.de>
5731 * fold-const.c (extract_muldiv): Remove obsolete comment.
5732 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5733 to PLUS_EXPR canonicalization for the canonicalization.
5735 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5737 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5738 hosted cross-compilers generating less efficient code.
5740 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5742 * function.h (rtl_data): Add a dbr_scheduled_p field.
5743 * reorg.c (dbr_schedule): Set it.
5744 (gate_handle_delay_slots): Check it.
5745 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5746 (mips_reorg): Check flag_delayed_branch instead of
5747 mips_base_delayed_branch.
5748 (mips_override_options): Don't set mips_base_delayed_branch
5749 or flag_delayed_branch.
5751 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5753 PR rtl-optimization/38426.
5754 * ira.c (ira): Set current_function_is_leaf earlier.
5756 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5758 PR rtl-optimization/38722
5759 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5760 too early, only set a flag and modify after last possible
5763 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5766 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5767 * real.c (decimal_single_format): Correct values of emin and emax.
5768 (decimal_double_format): Ditto.
5769 (decimal_quad_format): Ditto.
5770 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5771 computation of DECnn_MIN and DECnn_MAX for corrected values of
5772 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5773 __DECnn_MIN__, and adjust its computation for the corrected value
5776 2009-01-06 Jan Hubicka <jh@suse.cz>
5779 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5781 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5783 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5784 Add Robert Clark to the list of testers.
5786 2009-01-06 Jan Hubicka <jh@suse.cz>
5787 Kai Tietz <kai.tietz@onevision.com>
5789 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5790 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5792 2009-01-06 Jan Hubicka <jh@suse.cz>
5793 Kai Tietz <kai.tietz@onevision.com>
5795 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5797 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5798 (ix86_nsaved_regs): Count only general purpose regs.
5799 (ix86_nsaved_sseregs): New.
5800 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5801 to 16 for w64; compute padding and size of sse reg save area.
5802 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5803 general purpose regs.
5804 (ix86_emit_save_sse_regs_using_mov): New.
5805 (ix86_expand_prologue): Save SSE regs if needed.
5806 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5807 (ix86_emit_restore_sse_regs_using_mov): New.
5808 (ix86_expand_epilogue): Save SSE regs if needed.
5810 2009-01-06 Jan Hubicka <jh@suse.cz>
5811 Kai Tietz <kai.tietz@onevision.com>
5813 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5814 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5815 functions when accumulate outgoing args is off.
5817 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5820 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5821 before using pseudos_have_intersected_live_ranges_p.
5823 * ira-int.h (ira_assert): Always define.
5825 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5827 AVX Programming Reference (December, 2008)
5828 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5829 (_mm256_permute2_pd): Likewise.
5830 (_mm_permute2_ps): Likewise.
5831 (_mm256_permute2_ps): Likewise.
5832 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5833 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5835 * config/i386/i386.c (ix86_builtins): Remove
5836 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5837 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5838 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5839 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5840 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5841 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5842 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5843 __builtin_ia32_vpermil2ps256.
5844 (ix86_init_mmx_sse_builtins): Updated.
5845 (ix86_expand_args_builtin): Likewise.
5847 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5849 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5850 long absolute calls when generating PA 2.0 code.
5852 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5854 PR rtl-optimization/38583
5855 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5857 * params.def (ira-max-conflict-table-size): New.
5859 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5861 * ira.h (ira_conflicts_p): New external definition.
5863 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5864 table. Report this. Return result of building.
5865 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5866 building conflict table.
5868 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5869 (ira_color): Use ira_conflicts_p.
5871 * global.c: Include ira.h.
5872 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5875 * Makefile.in (global.o): Add ira.h.
5877 * ira-build.c (mark_all_loops_for_removal,
5878 propagate_some_info_from_allocno): New.
5879 (remove_unnecessary_allocnos): Call
5880 propagate_some_info_from_allocno.
5881 (remove_low_level_allocnos): New.
5882 (remove_unnecessary_regions): Add parameter. Call
5883 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5884 parameter to remove_unnecessary_regions.
5885 (ira_build): Remove all regions but root if the conflict table was
5886 not built. Update conflict hard regs for allocnos crossing calls.
5888 * ira.c (ira_conflicts_p): New global.
5889 (ira): Define and use ira_conflicts_p.
5891 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5892 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5893 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5895 2009-01-06 Ben Elliston <bje@au.ibm.com>
5897 * gengtype-lex.l (YY_NO_INPUT): Define.
5899 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5902 * c-common.c (handle_vector_size_attribute): Also reject
5905 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5907 PR tree-optimization/38492
5908 * graphite.c (rename_map_elt, debug_rename_elt,
5909 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5910 rename_map_elt_info, eq_rename_map_elts,
5911 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5912 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5913 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5914 (sese_build_livein_liveouts): New.
5915 (new_sese, free_sese): New.
5916 (new_scop): Call new_sese.
5917 (free_scop): Call free_sese.
5918 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5919 (register_old_new_names): Renamed register_old_and_new_names.
5920 (register_scop_liveout_renames, add_loop_exit_phis,
5921 insert_loop_close_phis, struct igp,
5922 default_liveout_before_guard, add_guard_exit_phis,
5923 insert_guard_phis, copy_renames): New.
5924 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5925 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5926 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5927 (scop_adjust_phis_for_liveouts): New.
5928 (gloog): Call scop_adjust_phis_for_liveouts.
5930 * graphite.h (struct sese): Documented. Added fields liveout,
5932 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5933 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5934 (struct scop): Added field liveout_renames.
5935 (SCOP_LIVEOUT_RENAMES): New.
5937 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5939 PR tree-optimization/38510
5940 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5941 (translate_clast): Call recompute_all_dominators before
5943 (gloog): Call recompute_all_dominators before graphite_verify.
5945 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5946 Jan Sjodin <jan.sjodin@amd.com>
5948 PR tree-optimization/38500
5949 * graphite.c (create_sese_edges): Call fix_loop_structure after
5952 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5954 * config.gcc: Add m32r*-*-rtems*.
5955 * config/m32r/rtems.h: New file.
5957 2009-01-05 Ben Elliston <bje@au.ibm.com>
5959 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5960 (.po.pox): Likewise.
5961 (po/gcc.pot): Likewise.
5963 2009-01-04 David S. Miller <davem@davemloft.net>
5965 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5966 (STARTING_FRAME_OFFSET): Always set to zero.
5968 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5970 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5971 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5972 fixed-point types, and vectors of the same.
5974 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5976 * config/mips/sync.md (*mb_barrier): Rename to...
5977 (*memory_barrier): ...this.
5979 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5981 * doc/extend.texi (Function Attributes): Move @cindex after @item
5982 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5983 and put in alphabetical order. Fix 'target' name and put in order.
5984 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5987 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5989 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5990 (memory_barrier): Expand as unspec instead of unspec_volatile.
5991 Remove mem:BLK from insn operands. Use Pmode scratch register.
5992 (*memory_barrier): Define as unspec instead of unspec_volatile.
5993 Use (match_dup 0) as input operand.
5995 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5996 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5997 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5998 scratch register. Remove operand 1.
5999 (*stbar): Define as unspec instead of unspec_volatile.
6000 Use (match_dup 0) as input operand, remove (const_int 8).
6001 (*membar): Define as unspec instead of unspec_volatile.
6002 Use (match_dup 0) as input operand, remove input operand 2.
6004 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6005 (memory_barrier): Expand as unspec instead of unspec_volatile.
6006 Remove mem:BLK from insn operands. Use Pmode scratch register.
6007 (*memory_barrier): Define as unspec instead of unspec_volatile.
6008 Use (match_dup 0) as input operand.
6010 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6011 Remove mem:BLK from insn operands. Use Pmode scratch register.
6012 Set volatile flag on operand 0.
6013 (*memory_barrier): New insn pattern.
6015 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6017 (*memory_barrier): Use (match_dup 0) as input operand.
6019 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6020 Remove mem:BLK from insn operands. Use Pmode scratch register.
6021 Set volatile flag on operand 0.
6022 (*mb_internal): New insn pattern.
6024 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6026 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6029 * function.c (struct temp_slot): Move to the section of the file
6030 that deals with temp slots. Remove field 'address'.
6031 (temp_slot_address_table): New hash table of address -> temp slot.
6032 (struct temp_slot_address_entry): New struct, items for the table.
6033 (temp_slot_address_compute_hash, temp_slot_address_hash,
6034 temp_slot_address_eq, insert_temp_slot_address): Support functions
6036 (find_temp_slot_from_address): Rewrite to use the new hash table.
6037 (remove_unused_temp_slot_addresses): Remove addresses of temp
6038 slots that have been made available.
6039 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6040 worker function for remove_unused_temp_slot_addresses.
6041 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6042 Add the temp slot address to the address -> temp slot map.
6043 (update_temp_slot_address): Update via insert_temp_slot_address.
6044 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6045 (pop_temp_slots): Likewise.
6046 (init_temp_slots): Allocate the address -> temp slot map, or empty
6047 the map if it is already allocated.
6048 (prepare_function_start): Initialize temp slot processing.
6050 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6053 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6054 Calculate the size of all stack vars assuming no packing of stack
6055 vars will happen, replacing a quadratic algorithm with a linear one.
6057 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6060 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6063 2009-01-03 Diego Novillo <dnovillo@google.com>
6065 * doc/contrib.texi: Update contributions.
6067 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6070 * builtins.c (fold_builtin_memory_op): Give up if either operand
6071 is volatile. Set srctype or desttype to non-qualified version
6075 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6078 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6080 PR rtl-optimization/35805
6081 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6082 problem if fast dce is able to remove any instructions.
6083 * dce.c (dce_process_block): Fix dump message.
6085 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6088 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6090 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6093 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6094 * tree-pretty-print.c (op_code_prio): New function.
6095 (op_prio): No longer static. Use op_code_prio.
6096 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6097 Use op_prio and op_code_prio to determine if () should be
6098 printed around operand(s) or not.
6100 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6101 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6102 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6103 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6104 pp_character instead of pp_string for single letter printing.
6106 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6108 * doc/extend.texi: Fix '#pragma GCC option' typo.
6110 2009-01-02 Richard Guenther <rguenther@suse.de>
6112 * doc/install.texi (--enable-checking): Mention different
6114 (--enable-stage1-checking): Document.
6116 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6119 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6120 case to be an error.
6122 2009-01-02 Ben Elliston <bje@au.ibm.com>
6124 * config/fp-bit.h (pack_d): Constify argument.
6125 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6126 (isnan): Constify argument.
6130 (_fpadd_parts): Constify return type.
6131 (_fpmul_parts): Likewise.
6132 (_fpdiv_parts): Likewise.
6134 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6137 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6138 warn about overwriting initializer with side-effects or
6139 -Woverride-init if !IMPLICIT.
6140 (output_init_element): Likewise. Pass IMPLICIT down to
6142 (process_init_element): Add IMPLICIT argument. Pass it down
6143 to output_init_element.
6144 (push_init_element, pop_init_level, set_designator): Adjust
6145 process_init_element callers.
6146 (set_nonincremental_init, set_nonincremental_init_from_string):
6147 Adjust add_pending_init callers.
6148 (output_pending_init_elements): Adjust output_init_element callers.
6149 * c-tree.h (process_init_element): Adjust prototype.
6150 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6151 process_init_element callers.